Because of friction. Some of the input work is converted into thermal energy (heat) rather than useful output work. Tips for Finding the Official PDF Answer Key
Explanation: This is the direct definition provided in the textbook. The term "mechanical advantage" quantifies the force-multiplying capability of any machine. Because of friction
The mechanical advantage of a machine in the absence of friction . Formula: Because of friction
A block and tackle pulley system has 5 supporting rope segments. What is the IMA? Because of friction
This is the mechanical advantage in the absence of friction. It is calculated using distances. Formula: 2. Efficiency