What effort will a machine of efficiency 90% apply to a load of 180N if its efforts arm is twice as long as its load arm?

Similar Questions

Two resistors R1 and R2 are connected in parallel, R2 being greater than R1. The combined resistance...

CalcuIate the power delivered by a 3-phase line if its voltage and current are 132KV and 60A respect...

A body of mass M kg rests on a plane inclined at an angle $\theta$ to the horizontal. The componen...

An object placed at the bottom of a well full of clear water appears closer to the surface due to? ...

The value of T in the figure above is ...

A man stands one-third of the way between two walls and claps his hands, He hears two distinct echoe...

Which of the following is not an evidence of the particle nature of matter? ...

ln order to obtain a sound note of a high pitch from a wire stretched by a constant tension, the wir...

A man standing 2 m from a charcoal fire is warmed mainly by? ...

A car traveling at 30ms$^{-1}$ overcomes a frictional resistance of 100N while moving. Calcul...