Newton's Laws, Net Force, Gravity, & Friction

What is Newtons 1st Law of Motion?

• Every action has an equal but opposite Reaction

• An object in motion/rest stays in motion/rest unless acted upon by an outside force.

• A larger mass object requires more force to move

Every action has an equal but opposite reaction.

• 1st law

• 2nd law

• 3rd law

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Newton's Second law basically says that

• the more force applied to an object, the slower it will accelerate

• the more force applied to an object, the faster it will accelerate

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There is a skateboard rolling and then Billy steps on it and it stops. What Law of motion is this?

• 3rd

• 2nd

• 1st

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A soccer ball is sitting in the middle of a field. The ball will remain at rest until an outside force like a players foot or the wind acts upon it. Which of Newton's laws is represented by this?

• 1st

• 2nd

• 3rd

When you are running. your foot exerts force on the ground and the ground exerts force back onto you. Which of Newton's laws is represented

• 1st

• 2nd

• 3rd

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Sally jumps on her trampoline. She exerts a force on the trampoline and the trampoline exerts an equal but opposite force back on Sally. This represents

• Law 1

• Law 3

• Law 2

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Force is a ________ or ________ that is required to change the motion of an object.

• up/down

• push/pull

• sliding/shifting

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Calculate the net force of the object in the image shown.

• 20N
• 35N
• 5N
• 25N

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What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

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