Physical Science, Forces and Motion Review

What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

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What is MOVEMENT?

• Inertia
• Force
• Work
• Motion

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What is a force that works AGAINST MOTION?

• Force
• Motion
• Gravity
• Friction

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Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

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How is gravity affected by mass?

• the larger the mass of the object, the greater the gravity
• small objects have no gravity
• gravity is not affected by mass of objects, whether large or small

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Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

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Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

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Why does a rolling ball stop?

• Gravity
• Friction
• Waterfalls
• Sand

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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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What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

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