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NCAT Practice Test - Practice Test - Physics - Work and Energy Quiz

Attempt 10 MCQs on NCAT Practice Test - Practice Test - Physics - Work and Energy | Quiz 8

71. What type of quantity is potential energy?



72. Gravitational potential energy depends on:



73. If the extension of a spring is doubled, elastic potential energy becomes:



74. If mass is halved and speed doubled, KE becomes:



75. One joule is equivalent to:



76. What does 60 watt power rating mean?



77. Gravitational PE is measured relative to a:



78. How is work calculated for a variable force?



79. As a ball goes upward, what happens to KE and PE?



80. Which law states that energy cannot be created or destroyed?



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