● ● ● ● 7. A box of unknown weight is being pulled on a 0 = 39 degree inclined surface by a frictionless pully system attached to a 540 pound box hanging off the pully. The coefficient of static friction between the box and the inclined surface is μ = 0.33 and both boxes are not moving. Answer the questions below: Draw a free body diagram of the box on the incline. Determine the weight (W) of the box on the incline surface. Determine the normal force (N) acting on the inclined box. Determine the friction force (F) acting on the inclined box. W= N = F₁= 0 W lbs lbs lbs 540 lbs

● ● ● ● 7. A box of unknown weight is being pulled on a 0 = 39 degree inclined surface by a frictionless pully system attached to a 540 pound box hanging off the pully. The coefficient of static friction between the box and the inclined surface is μ = 0.33 and both boxes are not moving. Answer the questions below: Draw a free body diagram of the box on the incline. Determine the weight (W) of the box on the incline surface. Determine the normal force (N) acting on the inclined box. Determine the friction force (F) acting on the inclined box. W= N = F₁= 0 W lbs lbs lbs 540 lbs

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

●
●
●
●
7. A box of unknown weight is being pulled on a 0 = 39 degree inclined surface by a
frictionless pully system attached to a 540 pound box hanging off the pully. The coefficient of
static friction between the box and the inclined surface is us = 0.33 and both boxes are not
moving. Answer the questions below:
Draw a free body diagram of the box on the incline.
Determine the weight (W) of the box on the incline surface.
Determine the normal force (N) acting on the inclined box.
Determine the friction force (F) acting on the inclined box.
W=
N =
F₁=
0
W
lbs
lbs
lbs
540 lbs

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