2.1.1 Reading Quiz - Mechanics
Answer all questions. These should test to see if you have read the material.
- 1.What is the definition of displacment?
- A.
Distance from a fixed point.
- B.
Distance moved from a fixed point.
- C.
Distance and direction from a fixed point.
- 2.What is the definition of average velocity
- A.
Distance travelled divided by time taken
- B.
Displacement travelled divided by time taken
- C.
Rate of change of distance
- D.
The rate of change of velocity
- 3.Definition of acceleration
- A.
Rate of change of distance
- B.
Rate of change of velocity
- C.
Rate of change of displacement
- D.
Rate of change of speed
- E.
When something speeds up
- F.
When something slows down
- 4.Gradient of a distance time graph gives...
- A.
Average speed
- B.
Average velocity
- C.
Instantaneous speed
- D.
Instantaneous velocity
- E.
Average acceleration
- F.
Instantaneous acceleration
- 5.Gradient of a dispacement time graph gives...
- A.
Average speed
- B.
Average velocity
- C.
Instantaneous speed
- D.
Instantaneous velocity
- E.
Average acceleration
- F.
Instantaneous acceleration
- 6.Gradient of a velocity time graph gives...
- A.
Average speed
- B.
Average velocity
- C.
Instantaneous speed
- D.
Instantaneous velocity
- E.
Average acceleration
- F.
Instantaneous acceleration
- 7.A ball is thrown downward (not dropped) from the top of a tower. After being released, its downward acceleration will be
- A.
Greater than g
- B.
Exactly g
- C.
Smaller than g
- D.
Zero
- 8.A stone is dropped from a flying helicopter. Ignoring air resistance, how far will it have fallen after 10 seconds?
- A.
50m
- B.
100m
- C.
500m
- D.
1000m
- 9.Without air resistance, an object dropped from a plane flying at constant speed in a straight line will
- A.
Quickly lag behind the plane
- B.
Remain vertically under the plane
- C.
Move ahead of the plane
- D.
Stay still
- 10.When a stone is thrown vertically upwards, what can be said about when it is at its highest point?
- A.
Velocity is a maximum, acceleration is zero
- B.
Velocity is zero, acceleration is zero
- C.
Velocity is a maximum, acceleration is 10ms-2
- D.
Velocity is zero, acceleration is 10ms-2
- 11.Are there any parts of this section that you found confusing? If so, describe it here.
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