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Which describes how a simple machine can make work easier ? a.) it magnifies the kinetic energy so that the potential energy is greater b.) it magnifies the potential energy so that the kinetic energy
asked
Apr 7, 2016
Physics
middle-school
1
answer
2
votes
22.3k
views
Would the friction force increase, decrease, or stay the same if Marco added two more blocks to the sled or wagon? Explain your answer.
asked
May 6, 2015
Physics
high-school
1
answer
0
votes
73.9k
views
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