Multiple choice

Which of the following statements is not true for a simple machine?

  1. Mechanical advantage can be less than one.

  2. The efficiency may be less than 100%.

  3. The energy dissipated by the machine is the maximum.

  4. It can also be used as a speed multiplier.

  5. The mechanical advantage of a simple machine depends upon its weight.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

If the efficiency of a machine is less than 100%, then also it is a simple machine.