Forces Newton Laws Momentum

What force slows objects down and keeps them from moving?

• Acceleration

• Gravity

• Friction

• Net Force

Which one of Newton's laws are displayed

• 2nd law

• 1st law

• 3rd law

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NGSS.MS-PS2-1

An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force. Which law does this describe

• 2nd law

• 1st law

• 3rd law

This is Newton's 3rd law

• True

• False

Tags

NGSS.MS-PS2-1

When there is a change in motion?

• When forces are balanced

• When the forces are unbalanced

• Whe forces are equal

• Never

Tags

NGSS.MS-PS2-2

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

• car
• bike
• they are equal
• cannot determine using the info provided

Tags

NGSS.HS-PS2-2

What is the unit for mass?

• m/sec
• kg/sec
• kg
• kg m/sec

What is the unit for velocity?

• m/sec
• kg/sec
• kg/m
• kg m/sec

What happens to the speed of the wagon as the rain collects inside of it?

• it decreases
• it remains constant
• it increases

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Two skaters begin at rest. Skater 1 has a smaller mass than Skater 2. After they push off each other,...

• Skater 1 experiences a greater change in momentum

• Skater 2 experiences a greater change in momentum

• Skater 1 has a greater speed than Skater 2

• Skater 1 experiences a greater force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2