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+1 vote
2.8k views
in Motion of System of Particles and Rigid Body by (75 points)

A ladder is leaned against a smooth wall and it is allowed to slip on a frictionless floor.  Which figure represents trace of its centre of mass? 

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2 Answers

0 votes
by (65.0k points)

Answer(3)

Every physical system has associated with it a certain point  whose motion of the whole system. When the system moves under an external force then this point moves in the same way as a single particle would move under the same external force. This point is called centre of mass. In the given case the acceleration acts in the downward direction in the centre.

by (75 points)
But answer which is given is 2nd option
by (65.0k points)
check it again above ans is correct...
by (75 points)
I've checked that
0 votes
by (1.5k points)
Answer will be option (1)

A ladder is leaned against a smooth wall and it is allowed to slip on a frictionless floor. So, fig (1) represents trace of its centre of mass.
by (75 points)
Nope... Sorry
by (1.5k points)
Then answer given in your book is wrong. 2nd option can not be the answer
by (75 points)
Can you please explain your answer in detail

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