Project #67542 - Forces physics

A 12.0 kg uniform plank of length L is wedged into a corner and held by a light spring of force constant 150 N/m as shown below. the spring attached is parallel to the floor. (assume that the spring exerts a force on the plank horizontally and g = 9.81 N/kg)

(A) determine the force of compression acting on the plank [102N]

(B) determine the compression in the spring [0.68 m)

(C) determine the contact force R acting on the plank at the corner [156 N, 49.2 degrees ACW above horizontal]

Hi everyone, can anyone help me show the steps for the above problem? The answers are in the brackets. Thank you

Subject Science
Due By (Pacific Time) 04/21/2015 12:00 am
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