7. A box that is initially in motion and of mass m =distance d = 7.00 m to the right with an applied force F = 40.0 N. The applied force isdirected at an angle 0 = 25° below the horizontal. If the coefficients of static and kineticfriction between the box and floor are µs=0.5 and u=0.3, respectively, find the work doneby:(a) the applied force F.(b) the friction force f.(c) the gravitational force Fg.(d) Does the box move faster, slower, or at the same speed as it is being pushed across thefloor?10.0 kg is pushed across the floor asins obo saibnopesb nt wolod mwode enoibevib odh ni bao od svodabmong or id elled ort dobir diw aboogeigiorl omae odi moil ebooqa leups diiw borlanel ous 2seasm leups to allad oond T

Given:- The mass of the block m = 10 kg The distance d = 7.0 m The applied force F = 40 N at the…

Answered: A box that is initially in motion and…

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

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 3P: A block of mass m = 2.50 kg is pushed a distance d = 2.20 m along a frictionless, horizontal table...

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Similar questions

If the net work done by external forces on a particle is zero, which of the following statements about the particle must be true? (a) Its velocity is zero. (b) Its velocity is decreased. (c) Its velocity is unchanged. (d) Its speed is unchanged. (e) More information is needed.
Consider a particle on which a force acts that depends on the position of the particle. This force is given by . Find the work done by this force when the particle moves from the origin to a point 5 meters to the right on the x-axis.
As a mass tied to the end of a string strings from its highest point down to its lowest point, it is acted on by three forces: gravity, tension, and air resistance. Which force does (a) positive work? (b) negative work? (c) zero work?
A force F = (6i 2j) N acts on a panicle that under-goes a displacement r = (3i + j) m. Find (a) the work done by the force on the particle and (b) the angle between F and r.
Give an example of a situation in which there is a force and a displacement, but the force does no work. Explain why it does no work.
As a young man, Tarzan climbed up a vine to reach his tree house. As he got older, he decided to build and use a staircase instead. Since the work of the gravitational force mg is path Independent, what did the King of the Apes gain in using stairs?
A tension force of 175 N inclined at 20.0 above the horizontal is used to pull a 40.0-kg packing crate a distance of 6.00 m on a rough surface. If the crate moves at a constant speed, find (a) the work done by the tension force and (b) the coefficient of kinetic friction between the crate and surface.
Give an example of a situation in which there is a force and a displacement, but the force does no work. Explain why it does no work.
Consider a particle on which several forces act, one of which is known to be constant in time: . As a result, the particle moves along the x-axis from x=0 to x=5 m in some time interval. What is the work done by ?
“ E=K+Uconstant is a special case of the work energy theorem.” Discuss this statement.

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