The simple handbrake shown in figure A has a drum diameter of 400mm and u = 0.35. The angle of lap is 200°. Calculate the brake torque, for clockwise rotation of the drum, if a force of 200N is applied. (a)

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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(a)
The simple handbrake shown in figure A has a drum diameter of 400mm and µ =
0.35. The angle of lap is 200°. Calculate the brake torque, for clockwise rotation of
the drum, if a force of 200N is applied.
(b)
The handbrake in Question (a) has now been changed to a differential brake, as in
figure B. Determine if the drum will or will not lock up for clock wise rotation of the
drum.
200N
- 400
-200-
A
Transcribed Image Text:(a) The simple handbrake shown in figure A has a drum diameter of 400mm and µ = 0.35. The angle of lap is 200°. Calculate the brake torque, for clockwise rotation of the drum, if a force of 200N is applied. (b) The handbrake in Question (a) has now been changed to a differential brake, as in figure B. Determine if the drum will or will not lock up for clock wise rotation of the drum. 200N - 400 -200- A
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