Newtons Laws of Motion

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As an ice skater pushes harder with leg muscles, the ice skater begins to move faster.

Newtons 2nd law

a swimmer pushes water back with her arms, but her body moves foward.

Newtons 3rd law

A greater applied force is required to move an object with a greater mass than one with a smaller mass.

true

Which type of force(s) will cause a change in an object's motion?

unbalanced forces

A person is pushed foward into their seat belt when a car stops. Which law is this?

1st

A 20 kg bike accelerates at 10m/s2, what was the force?

200 Newtons

Waht is Newtons first law?

An object at rest stays at rest, an object in motion stays in motion.

Newtons thrid law states that any action will have a(n) ____ and____ reaction

Equal and Opposite

What is the formula for force

F=M*A

Which example best explains Newton's Third Law of Motion?

When you sit on a chair, your body exerts a downward force on the surface of the chair, while the chair exerts an equal ansd upward force on your body.

Dividing the total distance traveled by the total time is how to calculate

average speed

Unit of mass

kg

a child is pulling a sled and stoips. the sled kept moving and hit the child.

newtons 1st law

a pitched baseball goes faster than one that is thrown gently.

newtons 2nd law


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