A 1520-N crate is to be held in place on a ramp that rises at 30.0° above the horizontal (see figure). The massless rope attached to the crate makes a 22.0° angle above the surface of the ramp. The coefficients of friction between the crate and the surface of the ramp are

A 1520-N crate is to be held in place on a ramp that rises at 30.0° above the horizontal (see figure). The massless rope attached to the crate makes a 22.0° angle above the surface of the ramp. The coefficients of friction between the crate and the surface of the ramp are

Name: A 1520-N crate is to be held in place on aramp that rises at 30.0° ab
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Description: A 1520-N crate is to be held in place on aramp that rises at 30.0° above thehorizontal (see figure). The massless ropeattached to the crate makes a 22.0° angleabove the surface of the ramp. Thecoefficients of friction between the crateand the surfac

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Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows:

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Question

A 1520-N crate is to be held in place on a
ramp that rises at 30.0° above the
horizontal (see figure). The massless rope
attached to the crate makes a 22.0° angle
above the surface of the ramp. The
coefficients of friction between the crate
and the surface of the ramp are
uk = 0.450
and
ls = 0.650
The pulley has no appreciable mass or
friction. What is the MAXIMUM weight w
that can be used to hold this crate
stationary on the ramp?
w = ?
22.0°
Crate
Ramp
30.0°

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