# In the figure, a crate of mass m = 92 kg is pushed at a constant speed up a frictionless ramp (θ = 27°) by a horizontal force  F→. The positive direction of an x axis is up the ramp, and the positive direction of a y axis is perpendicular to the ramp. (a) What is the magnitude of  F→? (b) What is the magnitude of the normal force on the crate?

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In the figure, a crate of mass m = 92 kg is pushed at a constant speed up a frictionless ramp (θ = 27°) by a horizontal force  F→. The positive direction of an x axis is up the ramp, and the positive direction of a y axis is perpendicular to the ramp. (a) What is the magnitude of  F→? (b) What is the magnitude of the normal force on the crate?

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Step 1

(a)

Since the crate is pushed at a constant speed so that acceleration is zero, the net force acting the crate is Fnet=0.

Find the expression for the applied force on the crate.

Step 2

Substitute the values,

Step 3

(b)

Find the expression for the magnitude of ...

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