The handle of a screw jack is 35 cm long and pitch of the screw is 0.5 cm. What force must be applied at the end of the handle to lift a load of 2000N, if the efficiency of the jack is 30% [π = 22/7]?   

Similar Questions

A uniform meter rule QR is balanced on a knife edge which is 55cm from R, when a mass of 10g is hung...

THe velocity of sound in air at 16oC is 340ms-1. What will it be when the pressure is doubled and it...

Water does not drop through an open umbrella of silk materials unless the inside of the umbrella is ...

The maximum power transfer occur in a cell when the external resistance is ...

The force between the molecules of a liquid in contact with that of a solid is? ...

If silicon is doped with phosphorus, what type of semiconductor material will be formed? ...

The resistance of a 40W car head lamp, drawing current from a 12V battery is ____. ...

A charge of 10 C is transferred across a potential difference of 220 V. Determine the work done. ...

The S.I unit of moment of a force is ...

Which of the following is not true of an electrical charge? ...