7)
A battery is connected to a motor. The battery releases enough energy to perform 200) of work, but the motor produces only 90 J.
Why?
The battery has a leak.
Some energy is released as heat.
The motor is connected improperly.
The motor is connected to the battery in parallel
The first law of thermodynamics is also called the law of conservation of energy. It states that energy can be transferred from one system to another, but it cannot be destroyed.
