If the unit of length and force be increased four times, then the unit of energy is

If the unit of length and force are increased four times each, the unit of energy is increased.

If the units of length and force are increased by four times the unit of energy will be incresed by

If the unit of length and force each becomes four times, then the unit of energy becomes

If the units of length and force be increased three times, show that the unit of energy is increased nine times.

If the units of length and force be increased three times, show that the unit pof energy is increased by 9 times.

If the unit of force and length each be increased by four times, then the unit of energy is increased by ...

Choose the correct option. If the unit of length and force are increased to four times,How many times the unit of energy will increase?