Isaac Newton and Forces

Which is true from Newton's Third law of motion?

• For every action force there is a smaller reaction force in the opposite direction.

• For every action force there is an equivalent reaction force in the opposite direction.

•  Both 1 and 2

• None of the above

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It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes

• Newton's first law, the law of inertia

• Newton's second law, the law of acceleration

• Newton's third law, the law of action reaction 

• The law of universal gravitation

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What is the net force

• 10 N

• 0 N

• 25 N

• 1 N

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A _____ is a pull or a push.

• force

• friction

• gravity

• speed

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When forces on an object are balanced, what is the net force?

• 0

• 5

• 10

• 21

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______________ measures an object's tendency to resist changing its motion.

• Acceleration

• Inertia

• Gravity

• Weight

The formula ...

? = mass x acceleration

Is used to find which of the following:

• Force

• Velocity

• Momentum

• Gravity

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What is the net force?

• 400 N Up

• 400 N Down

• - 400 N Down

• 800 N Down

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Isaac Newton created the three laws of ______________.

• motion

• movement

• gravity

• texting

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An object at rest will remain at rest unless what happens?

• An unbalanced force acts on the object

• A balanced force acts on the object

• It will always remain at rest

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