Solve the following problems with complete solutions.A weight lifter lifts a set of weights a vertical distance of 2.00 m. If a constant force of 350 N is exerted on the weights, what is the network done on the weights?Example is attached below. Please refer to it. Wtotal = (Frotal Cos 0)d = Frotald cos 0Еxample:How much work is done on a vacuum cleaner pulled 3.0 meter by a force of50.0 Newton at an angle of 30.0° above the horizontal?Given:F = 50.0 ND = 3.0 mØ = 30.0°W =?Using the equation:W = Fxd x cos ØW = (50.0 N) (3.0 m) (cos 30.0°)W = 130 J

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A weight lifter lifts a set of weights a vertical distance of 2.00 m. If a constant force of 350 N is exerted on the weights, what is the network done on the weights?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter10: Work, Energy And Machines

Section: Chapter Questions

Problem 40A

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Question

Solve the following problems with complete solutions.

A weight lifter lifts a set of weights a vertical distance of 2.00 m. If a constant force of 350 N is exerted on the weights, what is the network done on the weights?

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

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