## KINEMATICS MCQs

### Circular Kinematics

Total Questions : 41 | Page 4 of 5 pages
Question 31. What two measurements are necessary for calculating speed?
1.    Mass and time
2.    Temperature and mass
3.    Mass and distance
4.    Distance and time
Answer: Option D. -> Distance and time
Question 32. What is the difference between a vector quantity and a scalar quantity?
1.    A scalar has a magnitude and direction and a vector has only a magnitude
2.    A vector has a magnitude and direction and a scalar has only a magnitude
3.    A scalar has a direction and a vector has a magnitude
4.    None of the above
Answer: Option B. -> A vector has a magnitude and direction and a scalar has only a magnitude
Question 33. Total distance covered in total time taken is termed as
1.    Instantaneous speed
2.    Average speed
3.    Uniform speed
4.    Variable speed
Answer: Option B. -> Average speed
Question 34. Which has greater linear speed, a horse near the outside rail of a merry-go-round or a horse near the inside rail?
1.    the inside horse
2.    the outside horse
3.    Neither
4.    None of these
Answer: Option B. -> the outside horse
Question 35. What is the acceleration of an object moving at constant velocity?
1.    2 m/s2
2.    1 m/s2
3.    0 m/s2
4.    0.8 m/s2
Answer: Option C. -> 0 m/s2
Question 36. What does a horizontal line on a speed-time graph indicate?
1.    Constant distance
2.    Constant speed
3.    Constant acceleration
4.    All of above
Answer: Option B. -> Constant speed
Question 37. What is the area under a speed-time graph equal to?
1.    Acceleration
2.    Distance travelled
3.    Instantaneous speed
4.    All of above
Answer: Option B. -> Distance travelled
Question 38. Which of the following scenarios has caused the motion described by the graph?
1.    An object rolling down a slope and then rolling up a slope
2.    An object rolling down a steep slope
3.    An object rolling up a slope and then returning to its original position.
4.    Both A & B
Answer: Option C. -> An object rolling up a slope and then returning to its original position.
Question 39. What is the slope of a velocity-time graph an indication of?
1.    Distance travelled
2.    Instantaneous speed
3.    Acceleration
4.    None of these