Starting from rest, a box of mass m (24 kg) moves to the right 18.0 m when pulled by a tension force T(200 N) acting at 30.0° above the horizontal as shown. The coefficient of kinetic friction between the box and the ground is 0.30 a) Calculate the work done by the normal force of the ground on the box. b) Calculate the work done by the tension force on the box. c) Calculate the work done by the friction force on the box.
Starting from rest, a box of mass m (24 kg) moves to the right 18.0 m when pulled by a tension force T(200 N) acting at 30.0° above the horizontal as shown. The coefficient of kinetic friction between the box and the ground is 0.30 a) Calculate the work done by the normal force of the ground on the box. b) Calculate the work done by the tension force on the box. c) Calculate the work done by the friction force on the box.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter7: Work And Kinetic Energy
Section: Chapter Questions
Problem 33P: A 5.0-kg box rests on a horizontal surface. The coefficient of kinetic friction between the box and...
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Starting from rest, a box of mass m (24 kg) moves to the right 18.0 m when pulled by a tension force T(200 N) acting at 30.0° above the horizontal as shown. The coefficient of kinetic friction between the box and the ground is 0.30
a) Calculate the work done by the normal force of the ground on the box.
b) Calculate the work done by the tension force on the box.
c) Calculate the work done by the friction force on the box.
d) Using the Kinetic Energy Theorem determine the speed of the box after 18 m.
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