8-93. The simple band brake is constructed so that the ends of the friction strap are connected to the pin at A and the lever arm at B. If the wheel is subjected to a torque of M determine the smallest force P applied to the lever that is required to hold the wheel stationary. The coefficient of static friction between the strap and wheel is µ, = 0.5. = 80 lb ft, %3D M = 80 lb · ft 20 45° 1.25 ft B A -1.5 ft 3 ft

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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8-93. The simple band brake is constructed so that the ends
of the friction strap are connected to the pin at A and the lever
arm at B. If the wheel is subjected to a torque of M
determine the smallest force P applied to the lever that is
required to hold the wheel stationary. The coefficient of static
friction between the strap and wheel is µ, = 0.5.
= 80 lb ft,
%3D
%3D
M = 80 lb · ft
20
45°
1.25 ft
B
A
-1.5 ft-
3 ft
Transcribed Image Text:8-93. The simple band brake is constructed so that the ends of the friction strap are connected to the pin at A and the lever arm at B. If the wheel is subjected to a torque of M determine the smallest force P applied to the lever that is required to hold the wheel stationary. The coefficient of static friction between the strap and wheel is µ, = 0.5. = 80 lb ft, %3D %3D M = 80 lb · ft 20 45° 1.25 ft B A -1.5 ft- 3 ft
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