A body weighing 80N stands in an elevator that is about to move. The force exerted by floor on the body as the elevator moves upward with an acceleration of 5 ms-2 is
[g = 10ms-2]

Similar Questions

A radioactive element has a decay constant of 0.077s-1. Calculate its half-life...

lf Einstein’s photoelectric equation is represented by hf - W = Φ where h is Planck’s constant,...

The reason for having a large number of turns in the coil of a moving coil galvanometer is to--...

An electric iron is rated 1000W, 230V. What is the resistance of its elements? ...

Which of the following is a unit of the time rate of flow of electric charges? ...

An electron moves from an energy level of -8.6 eV to another level of -3.5 eV. Determine the frequen...

The angle of deviation of light of various colours passing through a glass prism decreases in the or...

An electric heater with a p.d of 240 V connected across its terminals has a total resistance of 960�...

An object floats in a fluid when it displaces it's ...

Which electrical device is illustrated above? ...