Ahiati

Friction acts ______ to the direction of motion

• opposite

• parallel

• similar

• West

Pushing a full shopping cart is harder than pushing an empty one is an example of which law?

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

• Newton's 4th Law

If a 25 N force is exerted on 2 balls, ball 1 mass= 30, ball 2 mass = 60.

Which ball will have the greater acceleration? F=ma

• They both have the same acceleration

• Ball 1 will have the greatest acceleration

• Ball 2 will have the greatest acceleration

When no outside force is applied, a car will stay at rest explains which law?

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Newton's 2nd Law states

• F*m=a

• a+m=F

• F=ma

The ice skaters pushing against each other is an explanation of which of Newton's Laws?

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

The cue (white) ball hits the red ball is the action force, what is the reaction force?

• The red billiard ball hitting the cue ball

• The red billiard ball hitting all the other balls

• Not present

• The force exerted on the table

An object at rest will _______ if no outside forces are applied.

• Stay at rest

• Decrease mass

• Increase velocity

• go to sleep

A car sits at the top of the hill at rest. Are the forces balanced or unbalanced?

• Balanced

• Unbalanced

Find the force of a truck accelerating at 10 m/s2 with a mass of 2,500 kg.

• 250 N

• 25000 N