Isaac Newton's Laws of Motion Review

Jared is throwing a ball to his friend. the thrown ball curves toward the ground before it reaches his friend due to the force of

• friction

• air resistance

• gravity

• acceleration

A rolling soccer ball kicked from another player eventually comes to rest. What force causes this?

• gravity

• friction

• air resistance

• inertia

When you paddle a canoe, the canoe goes forward. Which of Newton's 3 Laws explains this?

• First Law

• Second Law

• Third Law

• F=MA

An empty shopping cart is easier to push than a full shopping cart. Which of Newton's 3 Laws explains this?

• First Law

• Second Law

• Third Law

• The Law of inertia

What force will make a 5kg bowling ball accelerate at 1.5 m/s²?

• 45 N

• 55 N

• 75 N

• 87 N

In which of the following situations are the forces acting on the object balanced?

• A car travels at a constant speed

• A hot-air balloon rises into the sky

• A minivan slows as it approaches a stoplight

• A skateboarder picks up speed as he skates down a hill

Shaun pushes a parked truck with a force of 80 N. The truck does not move. which of the following best describes the force that the truck exerts on Shaun?

• The truck is exerting the same amount of force as Sean

• The truck is exerting less force than Shaun

• The truck is exerting no force

• The truck is exerting more force than Shaun exerts

A little girl who has been pulling a wagon behind hr begins to cry because when she stopped to tie her shoe, the wagon continued moving and hit her in the back of her legs. Which of the following explains what happened

• F=MA

• For every action there is an equal and opposite reaction

• An object in motion will stay in motion unless acted upon by a balanced force

• An object in motion will stay in motion unless acted upon by an unbalanced force.

A frog leaping upwards off his lily pad is pulled downward by gravity and lands on another lily pad instead of continuing on in a straight line. Which of Newton's 3 Laws explains this?

• First Law

• Second Law

• Third Law

• "Duh!"

When the fuel in a rocket ignites, the gas expansion and explosion pushes out the back of the rocket and pushes the rocket upwards. Which of the following explains what is why this happens

• An object in motion will stay in motion

• The force of the rocket-Duh!

• Force = Mass x inertia

• For every action there is an equal and opposite reaction