A wooden block slides 3 m towards east on a rough horizontal floor while a constant…
PHYSICS · Single correct · CBSE · Physics · Work and Energy · Work and Energy
Problem
A wooden block slides 3 m towards east on a rough horizontal floor while a constant wind force of 2 N acts towards east and kinetic friction of 4 N acts towards west. Which option correctly states the sign of work done by these two forces during the motion?
(a) Wind: positive, Friction: positive
(b) Wind: positive, Friction: negative
(c) Wind: positive, Friction: zero
(d) Wind: negative, Friction: positive