Forces and Motion

What is Newton's First Law known as? The Law of

• Friction
• Mass
• Inertia
• Gravity

What is Newton's First Law

• F=ma
• Every action has an equal and opposite reaction
• An object at rest stays at rest, an object in motion stays in motion. 
• Friction 

Because of inertia, a resting object ________.

• will remain at rest

• will move at a constant speed

• will eventually move

• is unbalanced

Newton's second law of motion states that an unbalanced force is equal to mass times:

• acceleration

• force

• motion

• inertia

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As more unbalanced force is applied to an object, its acceleration:

• stays the same

• decreases

• increases

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What is the formula for force?

• F=M/A
• F=A/M
• F=M x A

• F=M x F

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Newton's third law of motion states that for every action there is:

• an opposite, but equal reaction.

• an opposite and equal reaction.

• a reaction.

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A 20 kg bike accelerates at 10 m/s². What was the force?

• 30 Newtons

• 2 Newtons

• 200 Newtons

• 10 Newtons

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An object in motion stops when.....

• It falls of an edge.

• it is acted upon by an outside force.

• It is eaten

• It never stops

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The reason a ball bounces up when it hits the ground:

• The ball and ground repel each other.

• The ball exerts a force on the ground, and the ground exerts a force on the ball.

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