Questions
In the figure, a man of true mass M is standing on a weighing machine placed in a cabin. The cabin is joined by a string with a body of mass m. Assuming no friction, and negligible mass of cabin and weighing machine, the reading of weighing machine is
detailed solution
Correct option is A
For the body , T = ma .............(1)For the cabin with man ,Mg - T = Ma .................(2)From (1) and (2) , a = Mg / (M+m)∴ Reading of the machine = Reaction of weighing machine on the man = Mg - Ma = mMg / (M+m).Talk to our academic expert!
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A constant force F = m2g/2 is applied on the block of mass m1 as shown. The string and the pulley are light and the surface of the table is smooth. Find the acceleration of m1.
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