A man of mass 50kg is standing in an elevator. If elevator is moving up acceleration g/3 then work done by normal reaction of floor of elevator on man when elevator moves by a distance 12m is

Q. A man of mass $90kg$ is standing in an elevator whose cable broke suddenly. If the elevator falls freely, the force exerted by the floor on the man is

Q. A man of mass m kg is standing on a weighing machine which is kept in an elevator. Find the reading of the spring balance if the elevator is going up with an acceleration g/10.

Q. An $80kg$ man stands on a spring balance in an elevator. When it start to move, the scale reads $700N$. What is the acceleration of the elevator? $(g=10{ms}^{-2})$

Q. An elevator, in which a man is standing, is moving upwards with a speed of $10m/s.$ If the man drops a coin from a height of $2.45m$ from the floor of the elevator, it reaches the floor of the elevator after time $(Takeg=9.8m/s^2)$

Q. A man of mass $75$ kg is standing in an elevator which moving with an acceleration of $5m/s^2$ upwards direction. The apparent weight of the man will be ( g=$10m/s^2$)