Newton's Laws Review

When is there a change in motion?

• When forces are balanced

• When the forces are unbalanced

• Whe forces are equal

• Never

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A 20 kg bike accelerates at 10 m/s².  What was the force?

• 25 Newtons
• 20 Newtons
• 200 Newtons
• 10 Newtons

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What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

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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 tendency of an object to resist a change in its motion

• acceleration
• inertia
• mass
• frame of reference

Objects with greater _________ also have greater inertia.

• speed

• mass

• force

• friction

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Which one has the LEAST inertia?

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• 
• 
• 

Which has the MOST inertia?

• 
• 
• 
• 

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What is the unit of measurement for force?

• AMP
• Seconds
• Newtons
• Miles

What is the acceleration of a 92 kg downhill skier that skis with a force of 118 N?

• .77 m/s²

• 1.3 m/s

• 1.3 m/s²

• .77 m/s

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