A 120 kg cart is moved on horizontal floor by a force of 124 N, to a distance of 50 m. (a) Calculate the work done on the cart, assuming there if no friction between the cart and the floor. (b) If the floor is rough (with kinetic frictional coefficient of 0.3 between floor and the cart), what is the frictional force on the cart ? (c) Now assume the 124 N force is used to move the cart to a 50 m distance on the rough surface described in part (b). What is the net amount of work done on the cart?
A 120 kg cart is moved on horizontal floor by a force of 124 N, to a distance of 50 m. (a) Calculate the work done on the cart, assuming there if no friction between the cart and the floor. (b) If the floor is rough (with kinetic frictional coefficient of 0.3 between floor and the cart), what is the frictional force on the cart ? (c) Now assume the 124 N force is used to move the cart to a 50 m distance on the rough surface described in part (b). What is the net amount of work done on the cart?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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