A box of mass m is to be moved across a flat, horizontal floor by a force acting at θ° to the horizontal.
The coefficient of kinetic friction between the box and the floor is μk. Show that the work done in
moving the box is greater if the force pushes the box, than if the force pulls the box.

answer

watching

102

views

For unlimited access to Homework Help, a Homework+ subscription is required.

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

ivoryzebra628Lv4

2 Jun 2021

Unlock all answers

Get 1 free homework help answer.

Already have an account? Log in

Related questions

what is the work wn done on the box by the normal force?

A box of weight w=2.0N accelerates down a rough plane that is inclined at an angle ϕ=30∘ above the horizontal . The normal force acting on the box has a magnitude n=1.7N, the coefficient of kinetic friction between the box and the plane is μk=0.30, and the displacement 'd' of the box is 1.8 down the inclined plane. what is th e work done by normal force on the box.

chocolatechinchilla877

A force of 48.0 N is required to start a 5.0-kg box moving across a horizontal concrete floor.(a) What is tje coefficient of static friction between the box and the floor? (b) If the 48.0-N force continues, the box accelerates at 0.70 m/s. What is the coefficient of kinetic friction?

A box of weight w=2.0N accelerates down a rough plane that is inclined at an angle ϕ=30∘ above the horizontal, as shown (Figure 6) . The normal force acting on the box has a magnitude n=1.7N, the coefficient of kinetic friction between the box and the plane is μk=0.30, and the displacement d⃗ of the box is 1.8 m down the inclined plane.

Part a. What is the work Wn done on the box by the normal force?

Express your answers in joules to two significant figures.

Part b. What is the work Wfk done on the box by the force of kinetic friction?

Express your answers in joules to two significant figures.