(II) A 380-kg piano slides 3.9 m down a 27° incline and iskept from accelerating by a man who is pushing back on itparallel to the incline (Fig. 7-21). Determine: (a) the forceexerted by the man, (b) thework done by the man on thepiano, (c) the work done bythe force of gravity, and(d) the net work done onthe piano. Ignore friction.aniaW(oFIGURE 7-21Problem 11.

Name: (II) A 380-kg piano slides 3.9 m down a 27° incline and iskept from a
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Description: (II) A 380-kg piano slides 3.9 m down a 27° incline and iskept from accelerating by a man who is pushing back on itparallel to the incline (Fig. 7-21). Determine: (a) the forceexerted by the man, (b) thework done by the man on thepiano, (c) the work

We know tha the we have given that the mass of the piano is m and it slide from d = 3.9 m down with…

Answered: A 380-kg piano slic from accelerating E…

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A 380-kg piano slic from accelerating E llel to the incline (F ted by the man, - done by the man o p, (c) the work don force of gravity,

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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Question

(II) A 380-kg piano slides 3.9 m down a 27° incline and is
kept from accelerating by a man who is pushing back on it
parallel to the incline (Fig. 7-21). Determine: (a) the force
exerted by the man, (b) the
work done by the man on the
piano, (c) the work done by
the force of gravity, and
(d) the net work done on
the piano. Ignore friction.
ania
W(o
FIGURE 7-21
Problem 11.

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