Chapter 11 Test Review

Which of the following is NOT one of the four fundamental forces?

• electromagnetism

• weak

• strong

• buoyant

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Which option would make the best reference point?

• a car driving down the road

• a bird flying

• a jogger running down the street

• a tree

If you jog for two hours and travel 20 km, 10 km/hr describes your:

• momentum

• acceleration

• average speed

• velocity

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A object's speed is a measure of?

• direction the object is moving

• how fast the object is moving

• the objects displacement

• S = final velocity/distance

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Which of the following describes a velocity?

• speed

• speed and direction

• direction and acceleration

• none of these

A car drives 100 miles in 60 minutes. The driver calculates his speed at 100 miles per hour. What best describes this?

• average speed

• acceleration

• displacement

• instantaneous speed

Which of the following must be applied to move objects at rest, such as a tackling dummy?

• kinetic friction

• balanced force

• unbalanced force

• static friction

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Which type of friction is the greatest?

• static

• rolling

• sliding

• kinetic

Which type of friction is the least?

• static

• rolling

• sliding

• none of these

Match the following:

• centripetal force

• 
• motion

• 
• acceleration

• 
• lubricant

• 
• net force

• 

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