Newton's Laws Review

What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

• 1st
• 2nd
• 3rd

A squirrel sits on the ground and eats a donut. We know the forces on him must be balanced because...

• Forces are always balanced

• the squirrel is not accelerating

• squirrels are projectiles

• he's eating a donut

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

• Motion
• Friction
• Work
• Displacement

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

According to Newton's 2nd Law, what happens to acceleration if force remains constant but mass increases? The acceleration will _____.

• decrease

• increase

• remain constant

• become zero

What is the attractive force that exists between all objects that have mass?

• Weight
• Mass 
• Gravity
• Viscosity

It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes

• Newton's first law, the law of inertia
• Newton's second law, the law of acceleration
• Newton's third law, the law of action reaction 
• The law of universal gravitation

Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?

• Balanced
• Unbalanced

What is the net force

• 10 N
• 0 N
• 25 N
• 1 N