Three forces are exerted on an object placed on a tilted floor. The three forces are directed as shown in Figure E2.1. If the forces have magnitudes F 1.0 N, F2 8.0 N and F3 = 7.0 N, what is the component of the net force Fnet = F1+F2+ F3 parallel to the floor? %3D

Three forces are exerted on an object placed on a tilted floor. The three forces are directed as shown in Figure E2.1. If the forces have magnitudes F 1.0 N, F2 8.0 N and F3 = 7.0 N, what is the component of the net force Fnet = F1+F2+ F3 parallel to the floor? %3D

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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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

100%

Before studying this unit, take the test to recall what you have discUssed in physics about
resultants.
Directions. Solve the following problems using any applicable method of vector addition as
discussed in your subject Physics for Engineers.
1. Three forces are exerted on an object placed on a tilted floor. The three forces are
directed as shown in Figure E2.1. If the forces have magnitudes F1 = 1.0 N, F2 8.0 N
and F3 = 7.0 N, what is the component of the net force Fnet = F1+ F2+ F3 parallel to
the floor?
%3D
%3D
2. As shown in Figure E2.2, three force vectors act on an object. The magnitudes of the
forces as shown in the figure are F1 = 80.0 N, F2 = 60.0 N, and F3 = 40.0 N. Determine
the resultant force acting on the object.
%3D
%3D
F,
Objeet
高。
30°
30°
F,
Figure E2.1
Figure E2.2

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