2.1.1 Reading Quiz - Mechanics

11 Questions | By Gboulton | Updated: Mar 20, 2022 | Attempts: 146

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Answer all questions. These should test to see if you have read the material.

Questions and Answers

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.