Examples of Newton's Laws of Motion

Also known as the Law of Inertia...

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

Also know as Action and Reaction

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

F = ma

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

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Forces can be expressed in units of

• newtons

• pounds

• both A and B

• neither A nor B

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

• True
• False

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A hiker’s velocity begins at 1.8 m/s uphill and changes to 1.5 m/s uphill. How do you know that the hiker has a negative acceleration?

• His direction changed.
• His direction was unchanged.
• His speed increased.
• His speed decreased.

A crumpled piece of paper hits the ground before a flat sheet of paper because

• the acceleration of gravity is greater on the  crumpled paper.
• there is more air resistance against the flat paper.
• the crumpled paper is more massive
• the crumpled paper is less massive.

Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• None of them

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When you are riding in a car and the car suddenly stops, your body continues to go forward.

• Newton's 1st Law

• Newton's 2nd Law

• Newton's 3rd Law

A picture is hanging on a wall and does not move.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• None of them