Questions
A 60 kg person is weighed by a balance as 54 kg in a lift which is accelerated downwards. The acceleration of the lift is
detailed solution
Correct option is D
Here, Meff g=M(g-a)or gg-a=MMeff ⇒gg-a=6054⇒ gg-a=109 ⇒ 9g=10g-10a⇒ -g=-10a ⇒ g=10a⇒ a=g10 ⇒ a=9.810=0.98 ms-2Talk to our academic expert!
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A truck is stationary and has a bob suspended by a light string, in a frame attached to the truck. The truck, suddenly moves to the right with an acceleration of a. The pendulum will tilt
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