Blocks A and B have a masses of 170 kg and 210 kg, respectively. (Eigure 2) The coefficient of static friction between A and B and between B and C is 0.210. The coefficient of static friction between the rope and peg E is 0.450. Pulley D rotates freely, and P = 26.0 N. If 0=60.0 degrees, what is the smallest magnitude, T, of tension, T, that causes block B to move? all in bila

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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<29-Frictional Forces on Flat Belts
+ Frictional Forces on Flat Belts
When engineers design belt drives and band brakes,
they engineer them to withstand the frictional forces
that develop between the belts or bands and their
contacting surfaces. These frictional forces lead to
tensions on each side of the contacting surfaces that
are unequal; the segment aligning with the motion of
the belt or band has a greater tension.
Figure
P
A
B
C
<2 of 3
▼
Part B
T=
[37] ΑΣΦ ↓↑ vec
Blocks A and B have a masses of 170 kg and 210 kg, respectively. (Figure 2) The coefficient of static friction
between A and B and between B and C is 0.210. The coefficient of static friction between the rope and peg E
is 0.450. Pulley D rotates freely, and P = 26.0 N. If 0= 60.0 degrees, what is the smallest magnitude, T, of
tension, T, that causes block B to move?
Express your answer numerically in kilonewtons to three significant figures.
► View Available Hint(s)
Submit
?
1 of 3
kN
>
Review
Transcribed Image Text:<29-Frictional Forces on Flat Belts + Frictional Forces on Flat Belts When engineers design belt drives and band brakes, they engineer them to withstand the frictional forces that develop between the belts or bands and their contacting surfaces. These frictional forces lead to tensions on each side of the contacting surfaces that are unequal; the segment aligning with the motion of the belt or band has a greater tension. Figure P A B C <2 of 3 ▼ Part B T= [37] ΑΣΦ ↓↑ vec Blocks A and B have a masses of 170 kg and 210 kg, respectively. (Figure 2) The coefficient of static friction between A and B and between B and C is 0.210. The coefficient of static friction between the rope and peg E is 0.450. Pulley D rotates freely, and P = 26.0 N. If 0= 60.0 degrees, what is the smallest magnitude, T, of tension, T, that causes block B to move? Express your answer numerically in kilonewtons to three significant figures. ► View Available Hint(s) Submit ? 1 of 3 kN > Review
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