Work forces and kinetic friction

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a box of mass 42 kg is initially at rest on a flat floor. The coefficient of friction between the box and the floor is 0.60. a woman pushes horizontally against the box with a force of 250 N until the box attains a speed of 1.7 m/s.

What is the change of kinetic energy of the box?
I already got that to be 61

What is the work done by the friction force on the box?

What is the work done by the woman on the box?

Answers (1)

  • Anonymous
    Rating:5 stars

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