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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

User Kern Cheh
by
6.3k points

1 Answer

3 votes

Answer: True.

Step-by-step 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

User Marlie
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