Question

if a force of 5N is applied on a block of mass 10 kg and the block remains at rest , then the magnitude and the direction of friction is
(1) 10N normal to the direction of motion
(2) 5N along the direction of applied force
(3) 5N opposite to the direction of applied force
(4) 10N opposite to the direction of applied force ​

Answer 1

Explanation:

3) 5N opposite to the direction of applied force