NC Science Coach Chapter 1 Review: Force & Motion

What causes an object to fall to the ground?

• air resistance

• time

• gravity

• friction

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What information do you need in order to find the speed of a moving object?

• the mass of the object and the distance it moved

• the distance the object moved and the time it took to move that distance

• the position of the object and the force used to move it to that position

• the length of the object and the direction in which it moved

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Which tool can be used to measure the distance an object moved?

• meterstick

• spring scale

• watch

• compass

What effect does friction tend to have on an object's motion?

• It slows an object's motion.

• It has no effect on an object's motion.

• It makes an object start moving.

• It makes an object move faster.

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If a car travels 180 miles in 3 hours, what is the speed of the car?

• 60 miles

• 540 miles per hour

• 60 miles per hour

• 183 miles per hour

How far had the bird flown after 105 minutes?

• 10 kilometers

• 35 kilometers

• 30 kilometers

• 25 kilometers

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If an object is not moving, what can a force do to it?

• increase its mass

• decrease its mass

• make it start moving

• make it stay in place

Which of the following is a fact about the motion of the cruise ship as shown on the graph?

• The cruise ship traveled the same distance every hour.

• The cruise ship stopped moving at some point.

• The cruise ship traveled a greater distance in the second half of the time period.

• The cruise ship returned to its starting point.

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In the image, which of the person and their bikes will get down a hill faster? 

• The boy because he is younger
• The woman because she is stronger
• The boy because he has a greater mass which applies a greater force
• The woman because she has more mass and applies a greater force

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Which variable is on the X axis?

• Position (Distance)

• Time

• Speed

• None of these

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