4.2 Newton's Laws Review

A pull or push that is applied to an object...

• force
• friction
• acceleration
• weight

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

Friction ...

• helps you move an object
• works against you as you move an object
• keeps the object on the ground

Tags

NGSS.3-PS2-1

Gravity pulls us back to earth. What force pushes back on us to allow us to stand at rest?

• normal force
• easy force
• standing force
• inertia

Tags

NGSS.MS-PS2-1

Newton’s _____ law of motion states that an object at rest stays at rest, and an object in motion remains in motions in the same direction and at the same speed unless an unbalanced force acts on it.

• 1st
• 2nd
• 3rd

When two forces are applied to an object, the object will accelerate in the direction of the net force

• TRUE

• FALSE

Tags

NGSS.MS-PS2-2

An object's resistance to a change in motion

• gravity
• contact force
• inertia
• applied force

_____________ forces can change an objects speed, direction, or both.

• balanced
• unbalanced

Tags

NGSS.MS-PS2-2

When forces act in OPPOSITE directions, _____ them.

• add

• subtract

• divide

___________ cause no acceleration.

• balanced
• unbalanced

Newton’s second law of motion can be expressed mathematically as a=f/m.

• TRUE
• FALSE

Tags

NGSS.MS-PS2-2