Momentum - Quiz - gcsescience.com.

1. What unit is momentum measured in?

a) g/s

b) kg/s

c) kg/m

d) kgm/s

 

2. The equation for momentum is

a) p = m x v

b) m = g x v

c) g = m x v

d) kg = m x v

 

3. The total momentum of the objects before a collision is

a) Less than the total momentum of the objects after a collision

b) More than the total momentum of the objects after a collision

c) Equal to the total momentum of the objects after a collision

d) Always equal to 1

 

4. After an inelastic collision, the total kinetic energy

a) Increases

b) Stays the same

c) Decreases

d) Exceeds the combined kinetic energy

 

5. After an explosion, the total momentum is

a) Big

b) Very big

c) Greater than the angular momentum

d) Zero

 

6. What is the equation that connects change in momentum, force and time?

a) mv - mu = F x t

b) mv + mu = F x t

c) mv - mu = F - t

d) mv + mu = F - t

 

7. In a car crash, seatbelts make the change in momentum happen over

a) A shorter period of time

b) A longer period of time

c) The same period of time

d) No time at all

 

                       
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