Assertion: Pressure is scalar. Reason: Pressure acts equally in all directions at a point. MCQ with Answer and Explanation
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Question #1
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A 5 kg object is moving with 2 m/s. Its momentum is
Question #2
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Which of the following statements is correct for an object moving with constant speed?
Correct Answer: Option D
Explanation:
Constant speed does not imply zero acceleration if direction changes, e.g., uniform circular motion has centripetal acceleration. Velocity may change direction. Displacement magnitude ≤ distance. So only option B is correct.
Constant speed does not imply zero acceleration if direction changes, e.g., uniform circular motion has centripetal acceleration. Velocity may change direction. Displacement magnitude ≤ distance. So only option B is correct.
Question #3
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The time taken by a pendulum to complete one oscillation is called
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