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Join PAF 2026 Academic Test Physics Work and Energy Free Quiz 3
General
Join PAF 2026 Academic Test Physics Work and Energy Free Quiz 3
Practice Join PAF 2026 Academic Test Physics MCQs from Work and Energy. Get instant results with Explanation.
Practice Quiz 3 for "Work and Energy" (Physics). Total 30 MCQs available, split into 3 quizzes. Challenge yourself with advanced application-based questions. Mastering these concepts is essential for securing a high percentile in Join PAF.
General5 MCQs
21. What does the area under a force-displacement graph represent?
22. What is the formula for efficiency?
23. Can a machine have 100% efficiency?
24. KE is proportional to what power of speed?
25. If speed doubles, what happens to KE?
General5 MCQs
26. What are the units of spring constant?
27. What is the max height of a 2 kg ball thrown at 10 m/s (g=10)?
28. What work is needed to accelerate a 1000 kg car from 10 to 20 m/s?
29. What is the spring constant if 20 N stretches it 0.5 m?
30. What is the power of a 50 kg person climbing 10 m in 20 s (g=10)?

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Conducting Body: PAF
Frequency: Bi-annual | Time: 120 Minutes
Negative Marking: No

⚡ Test Pattern (Total: 100 MCQs):

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