The efficiency of the pulley system shown above is 80%. find the effort E required to lift the load of 1200N

Similar Questions

Notes of the same frequency sounded on a piano and on a flute may differ in I. pitch II. quality...

According to the kinetic theory of gasses, which of the following property of a gas can be affected ...

The fuse in an electric device is always connected to the ...

Which of the following instruments is not a wind instrument? ...

If the distance between the object and the pinhole of a pinhole camera is reduced by half the size o...

The energy stored in a capacitor of capacitance 5μF is 40J. Calculate the voltage applied across ...

A screw jack with a Tommy bar of length 12cm is used to raise a car through a vertical height of 25c...

In the circuit diagram above, the ammeter reads a current of 3A when R is 5 ohms and 6A when R is 6 ...

An object is placed at different distances, u, from a converging lens of focal length, 15.0cm. ...

Which of the following statements is incorrect? The sensitivity of a galvanometer which incorporates...