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Motion and Time Worksheet-2

Motion and Time Worksheet-2

 

  1. Which of these is not a unit of speed?

(a) Meter/second                         (b) Second/meter

(c) Kilometer/hour                      (d) Meter/minute

 

  1. The displacement-time graphs of two bodies A and B are shown in Fig. Which of the following statements is correct?

(a) A is moving faster than B

(b) B is moving faster than A

(c) B is always 20 m behind A

(d) A is always 20 m behind B

 

  1. Physical quantity which we can't obtain from a distance-time graph is

(a) Speed                                        (b) Time taken

(c) Change in position                 (d) Change in weight

 

  1. Oscillations are set in a simple pendulum whose length is 2 m and mass of the bob is 2 kg. Its time period

(a) Is always constant

(b) Increases slowly

(c) Decreases slowly

(d) First increases then decreases

 

  1. Sheela takes 15 minutes from her house to reach school on her bicycle with a speed of 2 m/s. The distance between her house and the school is

(a) 1.8 km                   (b) 3 km             (c) 1 km              (d) 2.5 km

 

  1. Study the distance time graph of a toy car given here and choose the incorrect statement from the following:

(a) The toy car is fastest during first 10 seconds

(b) The toy car is slowest in between 10 and 20 seconds

(c) Distance travelled during last 10 seconds in 5 m

(d) None of these

 

  1. A scooterist covers a distance of 3 km in 5 minutes. He travels with a speed of

(a) 100 ms–1      (b) 360 ms–1     (c) 100 cm s–1   (d) 600 m min–1

 

  1. The figure shows the distance-time graph for the motion of two vehicles X and Y. Which one of them is moving faster?

(a) X

(b) Y

(c) Both move with same speed

(d) Y is faster initially, then X gets faster

 

  1. Time period of a simple pendulum depends upon its

(a) Mass of its bob

(b) Length

(c) Both Mass of its bob and Length

(d) None of these

 

  1. A body moves with uniform velocity. Which of the graphs shown here is a graph of velocity against time for this motion?

(a)

(b)

(c)

(d)

 

Answer Key:

  1. (b)
  2. (d)
  3. (d)
  4. (a)
  5. (a)
  6. (c)
  7. (d)
  8. (a)
  9. (b)
  10. (b)