A plane inclined at an angle of 30^o to the horizontal has an efficiency of 60%. The force parallel to the plane required to push a load of 120N uniformly up the plane is

Similar Questions

The tyre pressure of a car was found to be 150cmHg in the morning at a temperature of 27°C. Hard...

The temperature of 900cm3 of an ideal gas at a pressure of 114cm Hg is 27oC. Calculate its volume at...

If two bodies of different masses, initially at rest, are acted upon by the same force for the same ...

The rising of a liquid in an open and ended glass tube of narrow bore is ...

Which of the following instruments can be used to measure current in an a.c circuit? ...

The refractive index of a medium relative to air is 1.8. Calculate the critical angle for the medium...

Pure silicon can be converted to a p-type by adding a controlled amount of ...

The quantity of electric charge stored in a capacitor is measured in ...

A man 1.8m tall stands 3m away from a pin hole camera. If the distance between the pin hole and the ...

To keep a vehicle moving at a constant speed V requires power P from the engine. The force provided ...