She cannot exert as much mechanical energy in any other way.
An electron spinning around a nucleus does not exert energy.
While it moves at high speed, the wallaby does not have to exert extra energy in breathing.
He must exert energy in his work and see these changes occur with his own eyes.
Someone in a full leg cast who is using crutches, for example, can exert 60 percent more energy than most people.
In order to extract hydrogen from these compounds, you have to exert energy.
He had exerted very little energy, she knew.
First, the field will not activate if a person or object exerts little kinetic energy against it.
He is a bit timid but will exert great energy for emergency.
By exerting the pressure to squeeze the toy, you exert mechanical energy.