Most Important Selected Qs for JEE AdvancedPhysicsWork, Power and Energy
A block of mass 1 kg is pulled along the curve path ACB by a tangential force as shown in figure. The work done by the frictional force when the block moves from A to B is
Options
- A5 J
- B10 J
- C20 J
- Dnone of these
Correct answer
C. 20 J
Step-by-step solution
gathered Work done by friction = F ds = ₀^ x mg dx = mg x=20 ~J gathered