Ask Question
28 May, 01:56

A 10 kg box initially at rest is pulled with a 50 N horizontal force for 4 m across a level surface. The force of friction acting on the box is a constant 20 N. How much work is done by the force of friction?

+3
Answers (2)
  1. 28 May, 03:18
    0
    80 J

    Explanation:

    A 10 kg box initially at rest is pulled with a 50 N horizontal force for 4 m across a level surface. The force of friction acting on the box is a constant 20 N. Therefore, 80 J is done by the force of friction.
  2. 28 May, 03:30
    0
    80 J

    Explanation:

    Work = force * distance

    W = 20 N * 4 m

    W = 80 J

    The work done by friction is 80 J.
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A 10 kg box initially at rest is pulled with a 50 N horizontal force for 4 m across a level surface. The force of friction acting on the ...” in 📘 Physics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers