A block of mass m is attached to spring of force constant k whose other end is fixed to a horizontal surface. Initially the spring is in its natural length and the block is released from rest. The average force acting on the surface by the spring till the instant when the block has zero acceleration for the first time is:
why at last step t = T/4
Answers
Answered by
3
Answer:
ANSWER
Force will be O at x=kmg
Time period of the oscillation will be T=2πkm.
By energy conservation,
21kx2+21mv2=mg(x)
This gives, v=gkm.
Thus average force will be Favg.=tΔP=4Tmv
Hence, Favg.=π2mg.
Similar questions
History,
4 months ago
Chemistry,
4 months ago
Political Science,
4 months ago
History,
8 months ago
India Languages,
8 months ago
Math,
1 year ago