Physics Momentum Quiz review

What is the equation for momentum?

• v=fp

• p=mv

• p=ft

• F=ma

The momentum of an object depends upon the object's ___________&_____________.

• size and shape

• mass and inertia

• mass and veloctiy

• mass and energy

Which has more momentum: a 1000 kg car stopped at a red light or a 20 kg bike moving at 10 m/s?

• car

• bike

• they are equal

• cannot determine using the info provided

An object with a mass of 3 kg has a momentum of 75 kg•m/s. What is its velocity?

• 0.4 m/s

• 7.1 m/s

• 72 m/s

• 25 m/s

Two trains collide and "stick" together. What type of collision is this?

• elastic

• inelastic

• impulse

• conservation of momentum

The total momentum before a collision is _________ the total momentum after a collision.

• equal to 
• less than 
• more than
• It depends on the type of collision

A runner has a momentum of 670 kg m/s and is travelling at a velocity of 9 m/s. What is his mass?

• 6030 kg
• 0.0134 kg
• 74.4 kg
• 80 kg

Which object listed below has the greatest momentum?

• A 0.05 kg object rolling at 0.2 m/s.
• A 0.15 kg object rolling at 2 m/s.
• A 0.15 kg object rolling at 1 m/s
• A 0.4 kg object rolling at 2 m/s.

Momentum is a ____________________ quantity

• science
• scalar
• vector
• energy

Two skaters stand facing each other. One skater's mass is 60 kg, and the other's mass is 72 kg. If the skaters push away from each other without spinning,

• the lighter skater has lees momentum

• their momenta are equal but opposite

• their total momentum doubles

• their total momentum decreases