Force and Motion

What is another term for 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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The amount of matter in an object

• weight
• force
• gravity
• mass

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What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

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What is the standard unit force is measured in?

• Newtons
• pounds
• grams
• meters

A roller coaster speeds up as it travels downhill and then slows as it enters a curve. Which statement best describes the motion of the roller coaster during this trip? 

• velocity changes, but acceleration remains constant
• the velocity of the roller coaster remains constant 
• the roller coaster accelerates throughout the trip 
• the speed of the roller coaster remains constant 

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a measure of an objects change in position during a certain amount of time is _________? 

• motion 
• force 
• friction 
• speed 

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gravity and friction are two types of 

• speed
• forces
• velocities
• motions 

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