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Showing posts with label NLM. Show all posts
Showing posts with label NLM. Show all posts
26 Apr 2026
7 Jul 2023
Two bodies A and B of masses 5 kg and 10 kg in contact with each other rest on a table against a rigid wall. The coefficient of friction between the bodies and the table is 0.15. A force of 200 N is applied horizontally to A. What are (a) the reaction of the partition (b) the action-reaction forces between A and B? What happens when the wall is removed? Does the answer to (b) change, when the bodies are in motion? Ignore the difference between μs and μk.
19 Aug 2021
7 Feb 2021
An empty truck and a loaded truck moving with the same velocity. On applying brakes which truck will stop first and Why?
Empty truck stop first.
Both truck have same velocity therefore loaded truck have larger momentum emty truck so, loaded truck cover more distance and stop.
7 Jun 2020
A person standing on a ice at a place A in a freeze pond. He has a pistol and two bullets . How can he move from Place A to Place B and stop there ?
As the surface is freezed So, its totally frictionless person unable to walk.
According to Newton's 3rd law of motion which is Every Action there is an equal and opposite reaction
To move from A to B he will shoot first bullet in the direction opposite to B. for reaction force he will start moving towards B. On reaching B to stop himself he must fire 2nd bullet in the direction of B from A .
According to Newton's 3rd law of motion which is Every Action there is an equal and opposite reaction
To move from A to B he will shoot first bullet in the direction opposite to B. for reaction force he will start moving towards B. On reaching B to stop himself he must fire 2nd bullet in the direction of B from A .
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