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Physical Science, 5/e
Bill Tillery, Arizona State University
Energy

True or False



1

To do work on an object requires a force and movement of the object in the same direction.
A)TRUE
B)FALSE
2

You do more work when you run up the stairs than when you walk slowly.
A)TRUE
B)FALSE
3

Your electric bill for 1500 KWhr is a charge for the power you have used that month.
A)TRUE
B)FALSE
4

With all other factors equal, a roller coaster that moves from a height twice as high as another roller coaster will be moving twice as fast at the bottom.
A)TRUE
B)FALSE
5

With all other factors equal, a roller coaster that is fully loaded will move faster than a partly loaded roller coaster when it reaches the bottom.
A)TRUE
B)FALSE








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