## A man & lift having mass 50 kg & 30 kg respectively as shown in the figure. Man manages to keep the system in rest. There is a small hole at P so that string is not in the contact with lift at point P. Find the reading of spring balance: A) 500N B) 300N C) 400N D) 800N

Subject: Physics, asked 1 week, 4 days ago

## How to differentiate it

Subject: Physics, asked 1 week, 6 days ago

## A motor revolving 1800 rev/min slows down uniformly to 1200 rev/min in 2 sec. Calculate angular acceleration of the motor and the number of revolution it makes in this time

Subject: Physics, asked 1 week, 6 days ago

## Find the maximum and minimum force applied parallel up the incline on a block of mass m placed on it if angle of inclination is?and coefficient of static friction with the block is ? so that the block remains at rest?

Subject: Physics, asked 3 weeks, 3 days ago

## in the circuit shown current is zero initially in all parts and switch S is open the switch is closed at t equal to zero the ratio current through battery at time T equal to zero and equal to infinity just after closing the switch

Subject: Physics, asked 3 weeks, 4 days ago

## A boy drops a ball through the window of a train, which is moving with a uniform velocity. What will be the path of the ball as observed by a boy sitting in a train moving in the opposite direction on a parallel track?

Subject: Physics, asked 3 weeks, 4 days ago

## A boy drops a ball through the window of a train, which is moving with a uniform velocity. What will be the path of the ball as observed by another boy standing on the platform?

Subject: Physics, asked 3 weeks, 4 days ago