Calculate the velocity ratio of a screw jack of pitch 0.3cm if the length of the tommy bar is 21cm

Similar Questions

Two forces each of 4 N act on the opposite sides of a rectangular plate as shown in the diagram abov...

I. The frictional force is independent of the area of the surfaces in conduct II. The frictional fo...

A current carrying conductor experiences a force when placed in a magnetic field because the ...

Uranium of atom number 92 and mass number 238 emits an alpha particle from its nucleus. The new nucl...

A 15kg mass, suspended from a ceiling, is pulled aside with a horizontal force, F, as shown in the d...

Which of the following is most strongly deflected by magnetic field? ...

A bar magnet is placed near and lying along the axis of a solenoid connected to a galvanometer. The ...

A generator manufacturing company accidentally made an AC generator instead of a DC generator. To fi...

A car of mass 800kg attains a speed of 25m/s in 20secs. The power developed in the engine is? ...

The velocities of light in air and glass are 3.0 x10$^8$ms$^{-1}$ and 1.8 $\times$10\(^8...