Q. If the unit of force and length each be increased by four times, then the unit of energy is increased by
A) 16 times
B) 8 times
C) 2 times
D) 4 times
Explanation
(a) Work = Force $\times$ Displacement (length)
If unit of force and length be increased by four times then the unit of energy will increase by 16 times
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.