A shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25o downward from the horizontal. Find the work done by the shopper on the cart as the shopper moves along 50.0 m length of the aisle.

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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Solve the following problems with complete solutions.

  1. A shopper in a supermarket pushes a cart with a force of 35 N directed at an angle of 25o downward from the horizontal. Find the work done by the shopper on the cart as the shopper moves along 50.0 m length of the aisle.

Example is attached below. Please refer to it.

Wtotal = (Frotal Cos 0)d = Frotald cos 0
Еxample:
How much work is done on a vacuum cleaner pulled 3.0 meter by a force of
50.0 Newton at an angle of 30.0° above the horizontal?
Given:
F = 50.0 N
D = 3.0 m
Ø = 30.0°
W =?
Using the equation:
W = Fxd x cos Ø
W = (50.0 N) (3.0 m) (cos 30.0°)
W = 130 J
Transcribed Image Text:Wtotal = (Frotal Cos 0)d = Frotald cos 0 Еxample: How much work is done on a vacuum cleaner pulled 3.0 meter by a force of 50.0 Newton at an angle of 30.0° above the horizontal? Given: F = 50.0 N D = 3.0 m Ø = 30.0° W =? Using the equation: W = Fxd x cos Ø W = (50.0 N) (3.0 m) (cos 30.0°) W = 130 J
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