A block brake is used to stop a drum of 400 mm diameter. The contact angle is 90°. The coefficient of friction is 0.3. The force of 350 N is applied at the end of the lever as shown in Figure 5.
A block brake is used to stop a drum of 400 mm diameter. The contact angle is 90°. The coefficient of friction is 0.3. The force of 350 N is applied at the end of the lever as shown in Figure 5.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A block brake is used to stop a drum of 400 mm diameter. The
contact angle is 90°. The coefficient of friction is 0.3. The force of
350 N is applied at the end of the lever as shown in Figure 5.
150 130
350N
08
.06
Figure 5: The block brake
6.1.
Demonstrate all forces acting on a brake.
6.2.
Determine the normal force exerted by the block on the drum.
6.3. Calculate the tangential braking force.
6.4. Calculate the braking torque.
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