Questions
A rectangular plank of mass 'm1' and height 'a' is on a horizontal surface. On the top of it another rectangular plank of mass 'm2' and height 'b' is placed. The potential energy of the system is,
a
b
c
d
detailed solution
Correct option is C
P.E=m1ga2+m2ga+b2Talk to our academic expert!
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Work done by the conservative force on a system is equal to
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