Question

A force of 800N is exerted on a wooden block of mass 40 kg. What will be the acceleration with which the block will move?
9th ncert cbse​

Answer 1

Answer:

Let a be the acceleration of the box.

The equation of motion of the box, ma =F − f (as friction force always opposite to applied force)

or 40a =80−60

or a=20/40=0.5m/s

2