Unit 3 Forces Review

What is force?

• A push or a pull upon an object
• Used in Star Wars 
• Amount of space between two points.
• How heavy something is

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What are the units of force?

• Kilograms
• Meters per second
• Newtons
• Pounds

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move up. 

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What is the net force?

• 0 N
• 1 N
• 5 N
• 10 N

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If the mass of an object is 1000 kg on Earth, what is it's mass on the moon?

• 10kg
• 100kg
• 1000kg
• 10,000kg

The tendency of an object to resist change in its motion is known as

• Force
• Inertia
• Momentum
• Newton

What is Newtons 1st law of motion?

• F = ma
• An object at rest stays at rest unless acted on an unbalanced force. (inertia)
• For every action there is a equal and opposite  re-action.
• law of gravity 

Friction is a force that acts in an ___________ direction of movement.

• similar
• opposite
• parallel
• west

What type of friction is not moving?

• static
• sliding
• fluid
• rolling

Inertia is a property that the only some material objects possess. 

• True 
• False