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Physics
If the unit of force and length be each increased by four times, then the unit of energy is increased by
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Q. If the unit of force and length be each increased by four times, then the unit of energy is increased by
BITSAT
BITSAT 2012
A
16 times
77%
B
8 times
9%
C
2 times
9%
D
4 times
5%
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.