# physics

You are in the supermarket, pushing a cart with a force of 79 Newtons in the horizontal direction. There is a constant force of kinetic friction operating on the cart of 14.2 Newtons.

Calculate the net work done on the cart, if the cart is displaced 1.2 metres in a straight line.

1. 👍 0
2. 👎 0
3. 👁 107
1. work done on cart=79*1.2m-14.2*1.2

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Physics

You are in the supermarket, pushing a cart with a force of 92 Newtons in the horizontal direction. There is a constant force of kinetic friction operating on the cart of 16.8 Newtons. Calculate the net work done on the cart, if

asked by Jack on February 11, 2016
2. ### physics

A shopper in a supermarket pushes a loaded 36 kg cart with a horizontal force of 12 N. (a) How far will the cart move in 3.5 s, starting from rest? (Disregard friction.) (b) How far will the cart move in 3.5 s if the shopper

asked by Amelia on December 12, 2011
3. ### Physics

In a supermarket parking lot, an employee is pushing ten empty shopping carts, lined up in a straight line. The acceleration of the carts is 0.080 m/s2. The ground is level, and each cart has a mass of 25 kg. (a) What is the net

asked by NHS on September 17, 2007
4. ### Physics

A shopper in a supermarket pushes a loaded 32 kg cart with a horizontal force of 12 N. How far will the cart move in 3.5 s if the shopper places an 85 N child in the cart before pushing? I don't know how I can add the 85 N to the

asked by Becca on November 14, 2006
5. ### science

if a person is pushing a cart with a force of 40 newtons and it accelerates at 0.5 m/s2 what is the mass of the cart

asked by Mary on March 28, 2012
6. ### physics

if a person is pushing a cart with a force of 40 Newtons and it accelerates at 0.5 m/s2 , what is the mass of the cart ?

asked by ariel on April 13, 2012
7. ### physics

a shopper in a supermarket pushes a cart with a force of 35 n directed at an angle of 25 downward from the horizontal. the force is just sufficient to over come the various frictional force, so the cart moves at constant speed.

8. ### physics

lots of questions 1) a 2N and 6N force pull on an object to the right and a 4N force pulls to the left a 0.5 kg object what is the net force on the object 2)a 20mkg bike accelerates at 10m/s2 with what force was the person

asked by lauren on January 15, 2010
9. ### physics

Hi I have some graph problems I need help on. Sketch a graph of velocity vs. time. A cart is moving to the right on a horizontal surface while a constant net force of 3 newtons acts on it to the left. the force acting on the cart

asked by jen on October 7, 2010
10. ### Physics

The problem goes like this... You are pushing a shopping cart at a constant speed. The handle makes an angle of 30.0 degrees with the horizontal and the friction in the cart has a coefficient of 0.400 to account for all the axles,

asked by Fatima on December 22, 2010

More Similar Questions