Engineering Mechanics 4 Problem 9 uired etion mass Calculate the pull P that must be exerted to slowly Jower the mass m-102 kg down the incline plane considering the following cates 45 1-1/8 turns 1. The friction hetween the drum and the rope is negligible while the coetficient of friction between the mass and the indined surface is0.25 2. The coelficient of frictian at all surfaces of cuntact i 0.25 3. The maximum pull Prequired to startraining the mass up the incline considering the situation of part 2 e be pipe be -The Te

Structural Analysis
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Chapter2: Loads On Structures
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problem 9

Civil Engineering
Engineering Mechanics 4
Problem 5
The uniform 50 kg plank in the figure is resting on
rough surfaces A and B. The coefficients of static friction
are shown in the figure. A 100 kg man starts walking
from A towarde A. Compute the
Problem 7
Determine the smallest horizoutal force Prequired
to lift the 200-kg crate. The coefficient of static friction
at all contacting surfaces is 030 Neglect the mass
of the wedge
Problem 9
Calculate the pull P that must be exerted ta slowly
Jower the mass m-102 kg down the incline plane
considering the following cases
45%
1-1/8
turns
H0.50
1. reaction at B. Gea.G
2 reaction at A BIG8
3. distance when the plank wiil start to slide. 176
1. The friction hetween the drum and the rope is
negligible while the coetficient of friction between the
mass and the indlinied surface ia 0.25
2. The coelficient of friction at all surfaces of cuntact i
0.25
Problem 6
3. The maximun pull Prequired to start raining the
mass up the incline considering the situution of part 2
Af-m long ladder weighing 600 N is shown. It
is required to deternine the horizontal force Pupplied
at C to hold the ladder from sliding The coefficient of
Friction between the ladder and the contact surfaces at
A and B is 0.20.
Problem 6
A rylinder having mas of 250 kg is ta be
supparted hy the cord which wrapi ver the pipe
Determine the largest vertical force F that can be
oplied to the cord without moving the cylinder The
cord passes
4.5m
Te
15m
1. Determine the reaction at A 348.0
2. DeterminE the reaction at H.
s19.97
459.G0
3. Determine the required force P.
1.once over the pipe 1BO
2. Iwo umm over the pipe 140Tae 02 Isis.3
Transcribed Image Text:Civil Engineering Engineering Mechanics 4 Problem 5 The uniform 50 kg plank in the figure is resting on rough surfaces A and B. The coefficients of static friction are shown in the figure. A 100 kg man starts walking from A towarde A. Compute the Problem 7 Determine the smallest horizoutal force Prequired to lift the 200-kg crate. The coefficient of static friction at all contacting surfaces is 030 Neglect the mass of the wedge Problem 9 Calculate the pull P that must be exerted ta slowly Jower the mass m-102 kg down the incline plane considering the following cases 45% 1-1/8 turns H0.50 1. reaction at B. Gea.G 2 reaction at A BIG8 3. distance when the plank wiil start to slide. 176 1. The friction hetween the drum and the rope is negligible while the coetficient of friction between the mass and the indlinied surface ia 0.25 2. The coelficient of friction at all surfaces of cuntact i 0.25 Problem 6 3. The maximun pull Prequired to start raining the mass up the incline considering the situution of part 2 Af-m long ladder weighing 600 N is shown. It is required to deternine the horizontal force Pupplied at C to hold the ladder from sliding The coefficient of Friction between the ladder and the contact surfaces at A and B is 0.20. Problem 6 A rylinder having mas of 250 kg is ta be supparted hy the cord which wrapi ver the pipe Determine the largest vertical force F that can be oplied to the cord without moving the cylinder The cord passes 4.5m Te 15m 1. Determine the reaction at A 348.0 2. DeterminE the reaction at H. s19.97 459.G0 3. Determine the required force P. 1.once over the pipe 1BO 2. Iwo umm over the pipe 140Tae 02 Isis.3
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