CBSE Class 11 Physics Motion in a Plane Quiz 2

1. The path followed by a projectile is called its?

A Territory B Treasury C Tractor D Trajectory

2. One radian is defined to be the angle subtended where the arc length S is exactly equal to the?

A radius of the circle. B diameter of the circle. C circumference of the circle. D half of radius of the circle.

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

A the inner wheel which leaves the ground first B either inner wheel or the outer wheel leaves the ground C both the wheel leave the ground simultaneously D the outer wheel which leaves the ground first

4. A body travels along the circumference of a circle of radius 2 m with a linear velocity of 6 m/s . Then its angular velocity is

A 6 rad /s B 3 rad /s C 2 rad / s D 4 rad / s

5. The centripetal component of acceleration arises when?

A The direction of motion is changed. B The direction propagation is changed. C The direction of gravity is changed. D The direction of projectile is changed.

6. The word centripetal is derived from two Greek words meaning?

A Seeking the situation. B Seeking the centre. C Touching the centre. D Leaving the centre.

7. 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

A 2 m/s² B 9.8 m/s² C 1.8 m/2 D 2.7 m/s²

8. One radian is equal to?

A 57.7o B 53.7o C 59.3o D 57.3o

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

A centripetal acceleration only (ac) B tangential acceleration only (ar) C both tangential and centripetal acceleration (ar and ac) D No acceleration

10. The path of a particle is given by the expression y = at + bt², where a and b are constants . Y is the displacement at time t. Its velocity at any instant is given by

A a + 2bt B zero C 2bt D at