DYNAMICS 1. What weight W is necessary to start the system of blocks shown in Figure moving to the right? The coefficient of friction is 0.10 and the pulleys are assumed to be frictionless. What are the amount and direction of the frictions (Justify your answer 40 kN 60 kN w 20
DYNAMICS 1. What weight W is necessary to start the system of blocks shown in Figure moving to the right? The coefficient of friction is 0.10 and the pulleys are assumed to be frictionless. What are the amount and direction of the frictions (Justify your answer 40 kN 60 kN w 20
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Transcribed Image Text:DYNAMICS
1. What weight W is necessary to start the system of blocks shown in Figure moving to the
right? The coefficient of friction is 0.10 and the pulleys are assumed to be frictionless.
What are the amount and direction of the frictions (Justify your answer
40 kN
60 kN
20
4. The blocks are separated by a solid strut which is attached to the blocks with frictionless
pins. If the coefficient of friction for all surfaces is 0.20,
a determine the value of horizontal force P to cause motion to impend to the right.
Assume that the strut is a uniform rod weighing 200 Ib.
b. what are the direction and the amount of friction?
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