Friction questions | form three Physics

The force which causes wear and tear between machine parts is known as
A. friction

B. torsional
C .repulsive

D. magnetic.

Answer / Solution

UNSOLVED

A block of mass 1 kg is placed on top of a horizontal table. If the horizontal force
required just to move the block is 19.6 N, then the coefficient of friction between the two
surfaces is
A. 0.31
B. 0.02
C. 04
D. No correct answer

Answer / Solution

UNSOLVED

The Liquid used to prevent friction between moving machine parts is called-----------
.

Answer / Solution

UNSOLVED

Write two advantages of friction

Answer / Solution

UNSOLVED

The force which causes wear and tear between machine parts is known as
A.  friction

B . torsional
C . repulsive

D . magnetic.

Answer / Solution

UNSOLVED