To obtain the same resistance force, a greater force must be exerted in a machine of lower efficiency than in a machine
of higher efficiency
True
False

Respuesta :

Answer: True.

Explanation:

A resistance force is also known as friction. And the efficiency of a machine is affected by friction.

A machine of lower efficiency has higher magnitude of friction than a machine of higher efficiency.

Therefore, To obtain the same resistance force, a greater force must be exerted in a machine of lower efficiency than in a machine of higher efficiency. This is true