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NCAT - Practice Test - Physics - Work and Energy Quiz

Attempt 10 MCQs on NCAT - Practice Test - Physics - Work and Energy | Quiz 3

21. What type of force is friction?



22. What is the formula for elastic potential energy?



23. What does a power rating of 1000 watts mean?



24. Can gravitational potential energy be negative?



25. What is absolute gravitational potential energy?



26. If speed is doubled, kinetic energy:



27. If height of an object is doubled, its gravitational PE:



28. A force of 10 N moves a body 5 m in its own direction. Find work.



29. A man pushes against a wall with 50 N force but the wall does not move. Work done is:



30. What is the work done when force is perpendicular to displacement?



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