4.- A 20 N steel sphere rests without friction, in a system formed by a plane inclined at 30 ° with the horizontal to the left and another inclined plane at 60 ° to the right, as shown in the figure. Determine the force exerted by each plane on the sphere. R: N = 17.32 N plane of 30 ° and N = 10 N plane of 60 °. 30° 60°
4.- A 20 N steel sphere rests without friction, in a system formed by a plane inclined at 30 ° with the horizontal to the left and another inclined plane at 60 ° to the right, as shown in the figure. Determine the force exerted by each plane on the sphere. R: N = 17.32 N plane of 30 ° and N = 10 N plane of 60 °. 30° 60°
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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Transcribed Image Text:4.- A 20 N steel sphere rests without friction, in a system formed by a plane inclined at 30 ° with the
horizontal to the left and another inclined plane at 60 ° to the right, as shown in the figure. Determine
the force exerted by each plane on the sphere. R: N = 17.32 N plane of 30 ° and N = 10 N plane of 60 °.
30°
60°
Expert Solution
Step 1
Let the two inclined planes be A and B. Let the normal force exerted by plane A be NA and by plane B be NB as shown.
Step 2
The free body diagram for the sphere is as shown.
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