practice momentum

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

• size and shape

• mass and weight

• mass and veloctiy

• Speed and energy

The variables that make up the "Momentum Equation" are...

• m = mass

  v = velocity

  p = momentum

• m = miles

  v = velocity

  p = momentum

• m = mass

  v = distance

  p = momentum

• None of these options

The definition of momentum is

• Mass in Motion
• The size of an object
• The velocity of an object
• A comparison between two objects

What are the units of Force?

• kg m/sec
• kg m
• N
• N sec

An impulse depends on

• weight and force

• force and time

• electric charge and time

• none of these

Change in momentum is called:

• Force

• Impulse

• Acceleration

• Torque

A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s.  The impulse on the ball is  ______ N s.

• -2.5
  .
  .
• -10
• -18
• -45

A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?

• 14.4 kg
• 1400 kg
• 144 kg
• 360 kg

Which object has more momentum?

• motorcycle at 15 mph

• bike at 15 mph

• car at a stoplight

• runner at 10 mph

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