Samantha Samantha
  • 21-02-2024
  • Physics
High School

You do 25 J of work while using a hammer. The hammer does 18 J of work on the nail. What is the efficiency of the hammer?

Answer :

teacupp teacupp
  • 30-12-2024
72%

Formula: η = Eout / Ein * 100%
Answer Link
nonameusr nonameusr
  • 20-05-2024

Answer:

The efficiency of the hammer is 72%.

Explanation:

output work/input work x 100%

18J/25J x 100%

0.72 x 100%

72%

Answer Link

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