Short Review (Momentum&Impulse)

The momentum of an object depends upon the object's _________.

• Force and time

• Mass and velocity

• mass and speed

• force and mass

When the speed of an object is doubled, its momentum.

• Stays the same

• Doubled

• tripled

• quadrupled

If two objects have the same mass, then the faster moving object has ___ momentum.

• the same

• more

• less

• no

Determine the momentum of 1,000-kg car moving northward at 20 m/s.

• 20, 000 kg-m/s

• 20, 000 N

• 50 N

• 50 J

What is the unit of momentum in the International System of Units (SI)?

• Newton

• Joule

• Meter per second

• Kilogram meter per second

If an object is at rest, what is its momentum?

• Zero

• Equal to its mass

• Equal to its velocity

• Cannot be determined

Which of the following has the least momentum?

• A 500-kg motorcycle moving at 20 m/s

• A 300-kg scooter moving at 30 m/s

• A 2,000-kg truck moving at 1 m/s

• A 1,000-kg car moving at 10 m/s