Balanced and Unbalanced Forces

The tendency of objects to resist a change in motion is called:

• Friction

• Inertia

• Gravity

• Velocity

Which is newtons 3rd law

• for every thing there is reaction

• for every reaction there is a unusual action

• For every reaction there is an equal and opposite reaction

• for every reaction there is an good action

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NGSS.MS-PS2-1

When the net force is zero, the forces on an object are balanced. True or false.

• true

• false

What is the net force?

• 40 N left

• 0 N Balalnced

• 400 N right

• 40 N right

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NGSS.MS-PS2-2

How will this object move?

• It will move left at a constant speed.

• It will accelerate to the right.

• It will accelerate to the left.

• It will move right at a constant speed.

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NGSS.MS-PS2-2

The sum of all forces acting on an object and direction

• Contact Force

• Balanced Force

• Unbalanced Force

• Net Force

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NGSS.MS-PS2-2

What is the net force of an object that is not moving?

• 0N

• 100N

• Upward force

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NGSS.3-PS2-1

Standing still is an example of a ________ ________ since you are not moving forward, backward, or sideways.

• negative acceleration

• balanced force

• unbalanced force

• 3rd law of motion

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

• Friction

• Mass

• Inertia

• Gravity

Which has more Inertia? (so need more force to move) 

• Truck

• Ant

• A cat

• A skateboard

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NGSS.MS-PS2-2