Laws Of Motion Ques 8
- Statement I It is easier to pull a heavy object than to push it on a level ground.
Statement II The magnitude of frictional force depends on the nature of the two surfaces in contact.
(2008, 3M)
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Answer:
Correct Answer: 8.(b)
Solution:
Formula:
- Both statements are correct. But statement II, does not explain correctly, statement I.
Explanation There is an increase in normal reaction when the object is pushed and there is a decrease in normal reaction when the object is pulled (but strictly not horizontally).
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