Force and Motion

What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

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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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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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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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What is a force that opposes motion between two surfaces?

• friction
• acceleration
• velocity
• motion

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What is motion?

• It's like the ocean
• Any change in an animal or person's position.
• Motion is like acting
• Any change in an object or person's position.

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

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Why does a rolling ball stop?

• Gravity
• Friction
• Waterfalls
• Sand

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A ball is moving in a certain direction.  What would happen to the ball if a greater force was applied on the ball along its direction of motion?

• The speed of the ball would decrease.
• The speed of the ball would increase.
• The ball will stop instantly.
• The ball will change direction.

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___________________ is a force that attracts an object towards the center of the Earth

• friction
• gravity
• force