Will the 200N block shown in the figure be held in equilibrium by the force of 80N? The coefficient of static friction is 0.3. What is the actual friction force based on your calculation? P 45° Solution: A 1. There are in total forces on the block, with the frictional force point to the 2. Σ F, = 0 : N = 3. Fx = 0: fquired 4. Maximum static friction fm = 5. Hence the block will N; N; + N; 6. The actual friction froce on the contacting surface is N →

Structural Analysis
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Chapter2: Loads On Structures
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Statics homework #8
Will the 200N block shown in the figure be held in equilibrium by the force of 80N? The coefficient of static friction is
0.3. What is the actual friction force based on your calculation?
P
45°
Solution:
A
1. There are in total
2. Σ F, = 0 : N =
3. Fx = 0: fquired
4. Maximum static friction fm =
5. Hence the block will
forces on the block, with the frictional force point to the
N;
N;
→
N;
6. The actual friction froce on the contacting surface is
N
→
Transcribed Image Text:Will the 200N block shown in the figure be held in equilibrium by the force of 80N? The coefficient of static friction is 0.3. What is the actual friction force based on your calculation? P 45° Solution: A 1. There are in total 2. Σ F, = 0 : N = 3. Fx = 0: fquired 4. Maximum static friction fm = 5. Hence the block will forces on the block, with the frictional force point to the N; N; → N; 6. The actual friction froce on the contacting surface is N →
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