A 20kg metal block is placed on a horizontal surface. The block just begins to slide when horizontal force of 100N is applied to
it (a) calculate The coefficient of static friction (b) if the coefficient of kinetic friction is 0.4 then find minimum force to maintain it's uniform motion
1 answer:
You might be interested in
<h3><u>Answer</u> :</h3>
◈ As per newton's second law of motion, Force is defined as the product of mass and acceleration
Mathematically,
Unit of mass : kg
Unit of acceleration : m/s²
Therefore,
Unit of force ➠ <u>kg m/s²</u>
SI unit : <u>N (newton)</u> or <u>kg m/s²</u>