Question

A block is kept stationary on a rough inclined plane by how many forces?
I think that the answer is supposed to be 3 forces that is gravitational force, normal reaction and frictional force. But the answer is given as 2 forces.....
So what I want to ask is that which force would u ignore.

Plz answer fast.....

Thank you

Answer 1

Answer:

The answer given is correct because, the forces applied are- weight(mg)and contact force( resultant of friction and normal force) .

please refer to the attachment, it will help you.