Motion

Motion Worksheet-7

21. Which one of the following is not a vector quantity.

A. Displacement                           B. Speed

C. Acceleration                             D. Velocity

22. Which of the following could not be a unit of acceleration ?

A. mm/s²           B. cm s^–2            C. km/s              D. m/s²

Motion Worksheet-8

26. A racing car has a uniform acceleration of 4 m/s².what distance will it cover in 10 seconds after the start ?

A. 400 metres                               B. 300 metres

C. 200 metres                               D. 100 metres

27. A scooter moving at a speed of 10 m/s is stopped by applying brakes which produces a uniform acceleration   of, –0.5 m/s². How much distance will be covered by the scooter before it stops?  

A. 50 metres                                  B. 200 metres

Motion Worksheet-9

31. A bus increases its speed from 36 km/h in 10 seconds. Its acceleration is :

A. 5 m/s²           B. 2 m/s²           C. 3.6 m/s²        D. 1 m/s²

32. A bus moving along a straight line at 20 m/s undergoes an acceleration of 4 m/s². After 2 seconds ,its speed will be :

A. 8 m/s             B. 12 m/s           C. 16 m/s           D. 28 m/s