A force of 30.0 N is required to push a 20.0 Kg mass 2.00 m across the floor. The mass is then lifted a distance of 1.00 m to the top of a shelf. How much work was done on the mass? a) 1396 J b) 226 J Oc) 69.8 d) 256 J

A force of 30.0 N is required to push a 20.0 Kg mass 2.00 m across the floor. The mass is then lifted a distance of 1.00 m to the top of a shelf. How much work was done on the mass? a) 1396 J b) 226 J Oc) 69.8 d) 256 J

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter7: Conservation Of Energy

Section: Chapter Questions

Problem 7P: Two objects are connected by a light string passing over a light, frictionless pulley as shown in...

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Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.

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A force of 30.0 N is required to push a 20.0 Kg mass 2.00 m across the floor. The
mass is then lifted a distance of 1.00 m to the top of a shelf. How much work was
done on the mass?
a) 1396 J
Ob) 226 J
c) 69.8
Derek Attwood: Attempt 1
d) 256 J

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