#### The following section consists of Physics Multiple Choice questions on Motion For competitions and exams. Select the correct option to test your skills Motion.

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- Question 1 of 20
##### 1. Question

## The projectile motion and circular motion are good example of ?

- Question 2 of 20
##### 2. Question

## Any object that is given any initial velocity and which follows a path due to gravitational force acting on it and by the frictional resistance of the atmosphere is called?

- Question 3 of 20
##### 3. Question

## Kicked or thrown balls, jumping animals, object thrown from a window, a missile shot from a gun, a bomb released from a bomber plane, etc are all example of?

- Question 4 of 20
##### 4. Question

## The path followed by a projectile is called its?

- Question 5 of 20
##### 5. Question

#### When a body moves with a constant speed in a circle?

- Question 6 of 20
##### 6. Question

#### In the analysis of projectile motion, it is assumed that effect of air resistance is?

- Question 7 of 20
##### 7. Question

#### If a projectile is launched at 450 with velocity lOOm/s, it hit the target. It will have double the range if its velocity is:

- Question 8 of 20
##### 8. Question

#### If we drop a ball in horizontal direction than its motion will no longer be straight downward but will be at some?

- Question 9 of 20
##### 9. Question

#### The motion of a projectile follows a?

- Question 10 of 20
##### 10. Question

#### A player making a long jump is an example of?

- Question 11 of 20
##### 11. Question

#### The horizontal distance from the origin (x=O, y=O) to the point where the projectile returns (x = R, y=O) is called?

- Question 12 of 20
##### 12. Question

#### The total flight requires a time that is?

- Question 13 of 20
##### 13. Question

#### The range of the projectile depends on the square of the initial velocity and?

- Question 14 of 20
##### 14. Question

#### To attain maximum range, the projectile must be launched at an angle of?

- Question 15 of 20
##### 15. Question

#### The angle between centripetal acceleration and tangential acceleration is?

- Question 16 of 20
##### 16. Question

#### Small angle produces?

- Question 17 of 20
##### 17. Question

#### Large angle produces?

- Question 18 of 20
##### 18. Question

#### The motion on a curved path, when one component of velocity is constant and the other is variable is called?

- Question 19 of 20
##### 19. Question

#### One radian is defined to be the angle subtended where the arc length “S” is exactly equal to the?

- Question 20 of 20
##### 20. Question

#### For one complete revolution θ =?

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- Question 1 of 20
##### 1. Question

#### One radian is equal to ?

- Question 2 of 20
##### 2. Question

#### One degree (1°) is equal to? (a) (b) (c) (d)

- Question 3 of 20
##### 3. Question

#### The work done by the centripetal force is always?

- Question 4 of 20
##### 4. Question

#### In projectile a body moves with?

- Question 5 of 20
##### 5. Question

#### The angular velocity depends upon the rate of change of the?

- Question 6 of 20
##### 6. Question

#### A car traveling at 70 Km/ hr east turns south without a change in speed. The car is moving with?

- Question 7 of 20
##### 7. Question

#### When angular velocity changes with respect to time then?

- Question 8 of 20
##### 8. Question

#### The rate of change of angular velocity with respect to time defines?

- Question 9 of 20
##### 9. Question

#### The unit of angular acceleration in S.I units is?

- Question 10 of 20
##### 10. Question

#### When an object rotates about a fixed axis, every point in the object moves in a?

- Question 11 of 20
##### 11. Question

#### If the time interval t is very small (∆t—>0) then the angle through which the particle P (rotating along a circular path) moves is also very small and therefore the ratio ∆θ/∆t

- Question 12 of 20
##### 12. Question

#### A projectile is fired with the initial velocity of 90m/s to hit a ground level target. Its maximum horizontal range will be?

- Question 13 of 20
##### 13. Question

#### The tangential velocity of a point on the rotating object is?

- Question 14 of 20
##### 14. Question

#### The tangential acceleration of a point on a rotating object is the product of the distance of the point from the axis of rotation and the?

- Question 15 of 20
##### 15. Question

#### The time required for one complete revolution or cycle of the circular motion is called?

- Question 16 of 20
##### 16. Question

#### The angular speed “ω” and time period “T” are ?

- Question 17 of 20
##### 17. Question

#### The change in the velocity vector is either due to change in its magnitude or change in its?

- Question 18 of 20
##### 18. Question

#### Centripetal acceleration is the acceleration which is always directed towards the centre of the?

- Question 19 of 20
##### 19. Question

#### The word centripetal is derived from two Greek words meaning?

- Question 20 of 20
##### 20. Question

#### The acceleration produced by virtue of the changing direction of the velocity of an object moving in a circular path is called?

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- Question 1 of 20
##### 1. Question

#### The tangential component and centripetal component of acceleration are?

- Question 2 of 20
##### 2. Question

#### The tangential component of acceleration arises when?

- Question 3 of 20
##### 3. Question

#### The centripetal component of acceleration arises when?

- Question 4 of 20
##### 4. Question

#### A body is moving along a circle with an increasing speed. It possesses?

- Question 5 of 20
##### 5. Question

#### A body is allowed to slide on a frictional less track from rest under-gravity. The track ends in a circular loop of diameter D. What should be the minimum height of the body in terms of D, so that it may successfully complete the loop?

- Question 6 of 20
##### 6. Question

#### A body is moving along a circular path with variable speed. It has

- Question 7 of 20
##### 7. Question

#### A body is traveling in a circle at constant speed. It

- Question 8 of 20
##### 8. Question

#### A body of mass 100 gram, tied at the end of a string of length 3 m rotates in a vertical circle and is just able to complete the circle. If the tension in the string at its lowest point is 3.7 N, then its angular velocity will be ______ (g = 10 m/s2)

- Question 9 of 20
##### 9. Question

#### A body of mass 500 gram is rotating in a vertical circle of radius 1 m. What is the difference in its kinetic energies at the top and the bottom of the circle?

- Question 10 of 20
##### 10. Question

#### A body of mass m performing UCM with frequency n along the circumference of circle having radius r, force is given by

- Question 11 of 20
##### 11. Question

#### A bucket containing water is tied to one end of a rope of length 2.5 m and rotated about the other end in a vertical circle. What should be the minimum velocity of the bucket at the highest point, so that the water in the bucket will not spill? (g = 10 m/s2)

- Question 12 of 20
##### 12. Question

#### A bucket tied at the end of a 1.6 m long string is whirled in a vertical circle with a constant speed. What should be the minimum speed so that the water from the bucket does not spill when the bucket is at the highest position?

- Question 13 of 20
##### 13. Question

#### A can filled with water is revolved in a vertical circle of radius 4 metre and the water does not fall down. The time period of revolution will be

- Question 14 of 20
##### 14. Question

#### A car is moving in horizontal circular track of radius 10 m, with a constant speed of 36 km/hour. A simple pendulum is suspended from the roof of the car. If the length of the simple pendulum is 1 m, what is the angle made by the string with the track?

- Question 15 of 20
##### 15. Question

#### A car is moving on a circular path and takes a turn. If R1 and R2 are the reactions on the inner and outer wheels respectively, then

- Question 16 of 20
##### 16. Question

#### A car is moving with a speed of 30 m/s on a circular path of radius 500 m. Its speed is increasing at the rate of 2 m/s2. The acceleration of the car is

- Question 17 of 20
##### 17. Question

#### A car of mass 1000 kg moves on a circular road with a speed of 20 m/s. Its direction changes by 90° after traveling 628 m on the road. The centripetal force acting on the car is

- Question 18 of 20
##### 18. Question

#### A car of mass 800 kg moves on a circular track of radius 40 m. If the coefficient of friction is 0.5, then maximum velocity with which the car can move is

- Question 19 of 20
##### 19. Question

#### A car sometimes overturns while taking a turn. When it overturns, it is

- Question 20 of 20
##### 20. Question

#### A coin kept on a rotating gramophone disc just begins to slip if its centre is at a distance of 8 cm from the centre of the disc. The angular velocity of the gramophone disc is then doubled. Through what distance, the coin should be shifted towards the centre, so that the coin will just slip?

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- Question 1 of 20
##### 1. Question

#### A cyclist goes round a circular path of circumference 343 m in s. The angle made by him, with the vertical is

- Question 2 of 20
##### 2. Question

#### A cyclist is moving in a circular track of radius 80 m, with a velocity of 36 km/hour. In order to keep his balance, he has to lean inwards from the vertical through an angle q. If g = 10 m/s2, then q is given by

- Question 3 of 20
##### 3. Question

#### A cyclist turns around a curve at 15 miles per hour. If he turns at double the speed, the tendency of overturn is

- Question 4 of 20
##### 4. Question

#### A fighter aeroplane flying in the sky dives with a speed of 360 km/hr in a vertical circle of radius 200 m. Weight of the pilot sitting in it is 75 kg. What will be the value of force with which the pilot presses his seat when the aeroplane is at highest position (g = 10 m/s2)

- Question 5 of 20
##### 5. Question

#### A frictional track ABCDE ends in a circular loop of radius R, body slides down the track from point A which is at a height h of 5 cm. Maximum value of R for the body to successfully complete the loop is:

- Question 6 of 20
##### 6. Question

#### A man whirls a stone of mass 250 gram, tied at the end of a string of length 2 m in a horizontal circle and at a height of 5 m from the ground. The string breaks and the stone flies off tangenitially and strikes the ground at a horizontal distance of 10 m from the man. What was the magnitude of the centripetal acceleration of the stone, when it was moving in the circle? (g = 10 m/s2)

- Question 7 of 20
##### 7. Question

#### A mass of 5 kg is tied to a string of length 1.0 m and is rotated in vertical circle with a uniform speed of 4 m/s. The tension in the string will be 130 N when the mass is at (g = 10 m/s2)

- Question 8 of 20
##### 8. Question

#### A mass suspended on a frictional less horizontal surface. It is attached to a string and rotates about a fixed centre at an angular velocity w0. If length of the string and angular velocity are doubled the tension in the string which was initially T0 is now

- Question 9 of 20
##### 9. Question

#### A metal sphere of mass 0.1 kg is attached to an inextensible string of length 130 cm whose upper end is fixed to the rigid support. If the sphere is made to describe a horizontal circle of radius 50 cm, the time for its one revolution is near about

- Question 10 of 20
##### 10. Question

#### A motor cyclist loops a vertical circular loop of diameter 18 m, without dropping down, even at the highest point of the loop. What should be his minimum speed at the lowest point of the loop?

- Question 11 of 20
##### 11. Question

#### A motor cyclist moving with a velocity of 75 km/hr on a flat road takes a turn on the road at a point where the radius of curvature of the road is 20 m. If the g is 10 m/s2 the maximum angle of banking with vertical for no skidding is

- Question 12 of 20
##### 12. Question

#### A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion takes place in a plane. It follows that

- Question 13 of 20
##### 13. Question

#### A particle is performing a U.C.M. Which is the wrong statement regarding its motion?

- Question 14 of 20
##### 14. Question

#### A particle moving in a circle of radius 25 cm at 2 revolutions per second. The acceleration of the particle is S.I. unit is

- Question 15 of 20
##### 15. Question

#### A particle of mass m is moving in a horizontal circle of radius R with uniform speed v. When it moves from one point to a diametrically opposite point its

- Question 16 of 20
##### 16. Question

#### A particle revolves round a circular path. The acceleration of the particle is

- Question 17 of 20
##### 17. Question

#### A pulley one metre in diameter rotating at 600 r.p.m. is brought to rest in 80 sec. by a constant force of friction on its shaft. How many revolutions does it makes before coming to rest?

- Question 18 of 20
##### 18. Question

#### A satellite has mass m speed v and radius r, the force acting on it is:

- Question 19 of 20
##### 19. Question

#### A small body attached at the end of an inextensible string completes a vertical circle, then its

- Question 20 of 20
##### 20. Question

#### A stone attached to a rope of length l = 80 cm is rotated with a speed of 240 r.p.m. At the moment when the velocity is directed vertically upwards, the rope breaks. To what height does the stone rise further?