Newton's First Law Review

Newton's first law is also called the law of

• inertia

• balanced forces

• unbalanced forces

• friction

An object in motion will stay in motion and an object at rest will stay at rest UNLESS

• acted upon by a balanced force

• friction takes over

• acted upon by an unbalanced force

• inertia takes over

What will happen if the forces on an object are balanced?

• It will keep moving forward

• It will not move

• It will start to move

• It will start and then stop again

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What will happen to an object that has unbalanced forces acting on it?

• It will move in the direction of the greatest force.

• It will not move.

• It will start and then stop.

• It will move in a circle.

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If Kate pushes her couch with a force of 12 N to the left and her friend pulls on it with a force of 12 N to the left, what is the net force on the couch?

• 0 N to the left

• 24 N to the right

• 0 N to the right

• 24 N to the left

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Objects with greater mass have more...

• friction

• inertia

• unbalanced forces

• balanced forces

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The combination of all of the forces acting on an object.

• Inertia

• Acting force

• Net Force

• balanced force

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Newton’s 1st Law states, “An object in motion continues in motion with the same speed and in the same direction unless acted upon by an __________ force.”

Newton’s 1st Law is also called the Law of __________.

Newton's First Law is...