A woman weighing 50 kgf stands on a weighing machine placed in lift. What will be the reading of the machine, when the lift is (i) moving upwards with a uniform velocity of `5ms^(-1)` and (ii) moving downwards with a uniform acceleration of `1ms^(-2)` ? Take g = 10 `ms^(-2)`.

A body of mass 50kg is put on a spring weighing machine in a lift What is the reading of the machine when (i) Lift ascends with a unifrom velocity of 10m//s (ii)descends with an acceleration of 5m//s^(2) ? Take of = 10m//s^(2) .

A boy of mass 50kg is standing on a weihing machine placed on the floor of a lift. The machine reads his weight in newtons. The reading of the machine if the lift is moving upwards with uniform speed of 10ms^(-1) .

A lift of mass 400 kg is hung by a wire. Calculate the tension in the wire when the lift is (i) at rest (ii) moving upwards with a constant velocity of 1ms^(-1) (iii) moving upwards with an acceleration of 2ms^(-2) and (iv) moving downwards with an acceleration of 2ms^(-2) .

A body of mass 15 kg is hung by a spring balance in a lift. What would be the reading of the balance when (i) the lift is ascending with an acceleration of 2ms^(-2) (ii) descending with the same acceleration (iii) descending with a constant velocity of 2ms^(-1) .? Take g = 10 ms^(-2) .

A simple pendulam 2m long is arranged in an elevator. What will be its time period when the elevator is (a) moving up with uniform velocity 2 m // s, (b) moving up with uniform acceleration 2 ms^(-2) , (c ) going down with uniform acceleration 2 ms^(-2) ?

A man of mass 60 kg records his wt. on a weighing machine placed inside a lift. The ratio of wts. Of man recorded when lift is ascending up with a uniform speed of 2 m/s to when it is descending down with a uniform speed of 4 m/s will be

The weight of a man standing on a weighing machine in a lift is noted when (i) the lift is moving with a uniform velocity and (ii) the lift is moving down with an acceleration a. The ratio of the two weights is 4/3 . What is the value of a

A man of mass 70 kg stands on a weighing machine in a lift , which is moving (a) upwards with a unifrom speed of 10^(-1) (b) downwards with a unifrom acceleration of 5 ms^(-2) (c) upwards with a unifrom acceleration of ms^(-2) What would be th readings on the scale in each case ? (d) What would be the reading if the lift machanism failed and it hurtled down freely under gravity ?

A man of mass m is standing on the floor of a lift. Find his apparent weight when the lift is moving upwards with uniform acceleration a.