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

What does NOT affect the rate of evaporation of a liquid ...

When very hot water is poured into two identical thin and thick glass tumblers in equal volumes, the...

Which of the following pairs of light rays shows the widest separation in the spectrum of white ligh...

What volume of alcohol with a density of 8.4 x 102kgm-3 will have the same mass as 4.2m3of petrol wh...

Calculate the current, I in the diagram shown above. (Neglect the internal resistance of the cell) ...

Which of the following substances is the most volatile at room temperature? ...

Which of the following substances undergoes sublimation? ...

In which of the following diagrams is the length of the tube equal to one wavelength? ...

A potential difference of 12V is applied across the ends of a 6\(\Omega\) resistor for 10 minutes. D...

Which of the following statement about latent heat of vaporization is correct? It ...