Momentum quiz

Momentum is the _______of an object multiplied by its velocity.

• Momentum

• Speed

• Force

• Mass

It is harder to stop a large truck than a small car when both are moving at the same speed.

• True

• False

A moving object can have a large momentum if it has a large mass, a high speed, or both.

• True

• False

A truck at rest has no momentum at all.

• True

• False

A bowling ball with a mass of 5 kg rolls down a bowling lane at 8 m/s. What is the momentum of the bowling ball?

• 0.6 kg⋅m/s

• 1.6 kg⋅m/s

• 40 kg⋅m/s

• 60 kg⋅m/s

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

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

When the speed of an object is doubled, its momentum

• remains unchanged in accord with the conservation of momentum.
• doubles
• quadruples
• decreases

Tags

NGSS.HS-PS2-2

An object of mass 4.0 kg is moving with a velocity of 3.0 m/s in a straight line.

What is the momentum of the object?

• 0.75 kg m/s

• 1.3 kg m/s

• 12 kg m/s

• 24 kg m/s

Is momentum a scalar or a vector quantity?

• A Vector
• A Scalar