What is- the dimentsional formula for coefficient of friction?

What is the dimension of coefficient of friction?

What is the chemical formula of borax bead?

Write the mathematical formula of coefficient of surperficial expansion

Write the mathematical formula of coefficient of cubical expansion.

To set a body mass 5 kg in motion over a horizontal surface a minimum force of 30 N has to be applied. What is the value of the coefficient of friction?

A ball of 15 kg is kept-at a horizontal surface. To make it move at least 30 N force is to be acted upon that body. What is the value of the coefficient of friction?

Write the mathematical formula of coefficient of real expansion (gamma_r) .

What is cone of friction