2.2.8 Reading Quiz - Newton's Second Law, Momentum Impulse

11 Questions | By Gboulton | Updated: Mar 21, 2022 | Attempts: 116

Questions

Settings

Create your own Quiz

2. 2. 8 Reading Quiz - Newton's second law, momentum impulse

Questions and Answers

1.

What statement of Newton's 2nd Law is NOT true
- A.
  
  Acceleration is proportional to Force
- B.
  
  Acceleration is proportional to mass
- C.
  
  Acceleration is inversely proportional to mass
2.

A 2Kg mass pushed to the left with 20N, and to the right with 12N. What is the acceleration
- A.
  
  10 ms-2 to left
- B.
  
  10 ms-2 to right
- C.
  
  4 ms-2 to left
- D.
  
  4 ms-2 to right
- E.
  
  6 ms-2 to left
- F.
  
  6 ms-2 to right
3.

A 5Kg block slides down a slope. Component of gravity acting down the slope is 10N, Friction acting up the slope is 10N, what is the acceleration?
- A.
  
  2ms-2 up slope
- B.
  
  2ms-2 down slope
- C.
  
  Zero - block must stay still
- D.
  
  Zero - block slides down with constant velocity
4.

What is momentum?
- A.
  
  The tendency of a body to keep moving
- B.
  
  The product of mass and velocity i.e. mxv
- C.
  
  The resistance something has to being stopped.
- D.
  
  The ability of something to spin around
5.

What is impulse as (far as physics is concerned)
- A.
  
  Product of time and force
- B.
  
  Product of force and distance
- C.
  
  Product of time and energy
- D.
  
  Product of momentum and time
- E.
  
  When you feel you have the urge to react to something
6.

change of momentum is also known as
- A.
  
  Acceleration
- B.
  
  Force
- C.
  
  Impulse
- D.
  
  Work done
- E.
  
  Unbalanced force
7.

What is the momentum of a 1000Kg car travelling 100m in 5 seconds?
- A.
  
  100,000 Kgms-1
- B.
  
  20,000 Kgms-1
- C.
  
  5000 Kgms-1
- D.
  
  50 Kgms-1
8.

A 0.05Kg egg in a specially designed eggbox designed by 2 students last year in year 10 hits the floor at 2ms-1, it comes to rest in 0.1 second due to it being well padded. What is the average force acing on the egg when it lands on the floor
- A.
  
  10N
- B.
  
  1N
- C.
  
  20N
- D.
  
  2N
- E.
  
  0.1N
- F.
  
  0.2N
9.

What is the significance of the area of a force/time graph
- A.
  
  Distance moved
- B.
  
  Total force
- C.
  
  Change of momentum
- D.
  
  Change of velocity
- E.
  
  Acceleration
10.

Why does a car have crumple zones?
- A.
  
  To reduce the speed as soon as possible
- B.
  
  To slow down the passenger as soon as possible
- C.
  
  To increase the time taken for a collision
- D.
  
  To reduce the time taken for a collision
- E.
  
  It looks good in films
- F.
  
  Car manufacturers do this so you have to buy a new car if you wrap it around a lamp post.
11.

Are there any parts of Newton's 2nd Law, momentum and impulse that you would like to go over. Can you formulate a question?