Force and Motion

A push or pull exerted on a object

• Net force

• Force

• Inertia

sum of forces acting on a particle or body.

• Net force

• Balnced

• Acceleration

two forces acting in opposite directions on an object, and equal in size

• Friction

• F=ma

• Balanced Force

• Friction

What law is best described by inertia?

• 1st
• 2nd
• 3rd
• law of conservation of mass

What law is best described

• 1st

• 2nd

• 3rd

• law of motion

What law is best described

Equal and Opposite

• 1st

• 2nd

• 3rd

• speed

With unbalanced forces, the object will move in the direction that the _______ force is being applied.

• larger 
• smaller 
• equal 
• less

What is Newton's First Law

• F=ma
• Every action has an equal and opposite reaction
• An object at rest stays at rest, an object in motion stays in motion. 
• Friction 

Newton's third law states that any action will have a(n) _______ and ______ reaction

• Equal and similar
• Equal and opposite
• Equal and different
• Greater and opposite

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement