Treatment for Common Sports Injuries — Unit test Answers

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Earth's gravity acts upon objects with a steady force of __________.

A
8.9 meters per second
B
9.8 meters per minute
C
8.9 meters per minute squared
D
9.8 meters per second squared
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Which object would have the most momentum?

A
a 500-pound car moving at 20 miles per hour
B
a 200-pound car moving at 60 miles per hour
C
a 100-pound car moving at 80 miles per hour
D
a 50-pound car moving at 100 miles per hour
23

The __________ of exercise determines the health and fitness benefit of the exercise.

A
frequency
B
intensity
C
time
D
type
24

When an object has its motion changed, the cause is generally __________.

A
an external force
B
an internal force
C
an existential force
D
an interval force

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