Newton's First Law of Motion

An object in motion stays in motion and an object at rest stays at rest UNLESS

• acted on by a balanced force.

• acted on by an unbalanced force.

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What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

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If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

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The English Scientist who developed three laws of motion was called:

• Sir Isaac Newman

• Sir Isaac Newton

• Albert Einstein

• Mr. Fig Newton

The first law of motion states that objects in motion will:

• stop

• accelerate

• stay in motion

• rest

The first law of motion states that objects at rest will stay at rest unless acted upon by an unbalanced:

• motion

• force

• inertia

• acceleration

When a heavy football player and a light one run into each other, who exerts more force?

• The heavy one
• The light one
• They are equal
• There is no such thing as force 

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NGSS.MS-PS2-1

What pulls a ball back to earth?

• Gas
• Friction
• Gravity
• Molecules

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For this question, refer to the image to the left...

The larger the ___________ of an object, the greater the ____________ needed to change the direction or the speed.

• mass / tow truck

• suitcases / force

• mass / force

• windows / force

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When a moving bus is suddenly stopped, the passengers tend to fall forward. This is because of

• Inertia of rest

• Friction

• Inertia of motion

• Weight