Motion

Motion Worksheet-10

41. A student draws a distance-time graph for a moving scooter and finds that a section of the graph is a horizontal line parallel to time axis. Which of the following conclusion is correct about this section of the graph ?

A. The scooter has uniform speed in this section

B. The distance traveled by scooter is the maximum in this section

C. The distance traveled by the scooter is the minimum in this section

D. The distance travelled by scooter is zero in this section.

42. Which one of the following is most likely not a case of uniform circular motion ?

A. Motion of the earth around the sun

Motion Worksheet-11

47. Study the speed-time graph of a body given here and answer the following question:

Calculate the retardation of the body.

A. 1 m/s²            B. -1 m/s²          C. 0 m/s²           D. 1.5 m/s²

48. Study the speed-time graph of a body given here and answer the following questions :

Find out distance travelled by the body from A to B.

Motion Worksheet-12

1. Have you watched the night sky? You have observed that the position of stars and planets change while you remain stationary. In reality:

A. only stars and planets are moving

B. stars, planets and  the earth also moving

C. only earth is moving

D. No one is moving.its due to some other reason

2. Displacement is:

A. shortest distance covered by an object

B. longest distance covered by an object

C. any change in position