Question
Physics Question on Newtons Laws of Motion
If the unit of force and length be each increased by four times, then the unit of energy is increased by
A
16 times
B
8 times
C
2 times
D
4 times
Answer
16 times
Explanation
Solution
Since unit of energy = (unit of force).(unit
of length) so if we increase unit of length
and force, each by four times, then unit of
energy will increase by sixteen times.