Intro to Momentum

In any collision (crash) the ______ is ALWAYS constant

• Total Momentum

• total speed

• total Velocity

• Energy

Tags

NGSS.HS-PS2-2

Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?

• Car

• Bike

• They have the same momentum

Tags

NGSS.HS-PS2-2

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

• more 

• less

• the same

Tags

NGSS.HS-PS2-2

T/F:  A big truck will always have more momentum than a small car.

• True

• False

Tags

NGSS.HS-PS2-2

Property of a moving object that equals its mass times its velocity is

• field

• motion

• momentum

• force

Tags

NGSS.HS-PS2-2

This states that if no external forces act on a group of objects, their total momentum does not change is

• net force

• Newton's 1st law of motion

• Law of conservation of momentum

• Newton's 2nd law of motion

Tags

NGSS.HS-PS2-2

Which of the following best describes momentum?

• A property of an object due to its mass and velocity

• A force that acts on an object

• The energy stored in an object

• The speed of an object

Tags

NGSS.HS-PS2-2

If a 5 kg object is moving at 10 m/s, what is its momentum?

• 50 kg·m/s

• 5 kg·m/s

• 10 kg·m/s

• 15 kg·m/s

Tags

NGSS.HS-PS2-2

A 2 kg ball moving at 3 m/s collides with a 1 kg ball at rest. What is the total momentum after the collision if no external forces act?

• 6 kg·m/s

• 3 kg·m/s

• 9 kg·m/s

• 0 kg·m/s

Tags

NGSS.HS-PS2-2

Which of the following scenarios demonstrates the conservation of momentum?

• A rocket launching into space

• A car accelerating on a highway

• Two ice skaters pushing off each other and moving in opposite directions

• A ball rolling down a hill

Tags

NGSS.HS-PS2-2