Momentum and Impulse

Momentum and Impulse

Multiple Choice

An object that has momentum can be described as _________

• a) changing its velocity

• b) moving fast

• c) resisting changes in its state of motion

• d) having its mass in motion

• e) encountering a net force

Multiple Choice

Which one of the following units represents the standard metric units of momentum

• Newtons * meter / second

• Kilograms * meter / second²

• meter / second

• Kilograms * meter / second

Multiple Choice

A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?

• 25 m/s
• 375 m/s
• 25 kg m/s
• 375 kg m/s

Multiple Select

The units for Impulse are

• kg

• $N\cdot s$

• N

• m/s

• $kg\cdot\frac{m}{s}$

Multiple Choice

A freight car of mass 20,000kg moves along a track at 15 m/s. What is the momentum of the car?

• 30,000 kg*m/s

• 3,000 kg*m/s

• 300,000 kg*m/s

• 3,000,000 kg*m/s

Multiple Choice

Which takes more force  to catch, a bowling ball or a ping pong ball?

• bowling ball because it has more momentum
• ping pong ball because it has more momentum
• both require the same amount of force when catching
• bowling ball because it has less momentum

Multiple Choice

Which one of these objects has the greater amount of momentum?

• A turtle that slowly crosses a road

• A parked car

• A stop sign

Multiple Choice

A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball. 

• 55 kg*m/s
• 100 kg*m/s
• 250 kg*m/s
• 500 kg*m/s

Multiple Choice

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

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