Question

What is the work done against gravity when a body of mass 10kg is moved horizontally along a frictionless surface? ($g=10m/s^2$)

• A. 100 N
• B. 100 J
• C. I J
• D. Zero

Answer 1

The correct option is D Zero

As, W$=mgh$

Since $h=0$ so, W$=0$
Hence, option D is correct.