Pg. 6 5. A body of 200 N weight rests on a horizontal plane. the coefficient of friction between the body and the plane 13. 0.25. Find the free inclined upwards at 30° to the horrzontal Which will just cause motion. W R Q = friction angle F 90-010 RA vw Vector Φ 0 = inclined angle 90-0+0 = angle between Fond R Han Q = 4 = 0.25 E = Friction angle = ton" "6.25 Sino Fricton angle = 14°2′ W sin (90-0+0) Angle opposite W = 90° -14°2′ +30=105°58′ F 200 Sin 12 sin los°58' F = 200 x 0.2425 0.9615 Ans, = 50,44 N Hilroy

Pg. 6 5. A body of 200 N weight rests on a horizontal plane. the coefficient of friction between the body and the plane 13. 0.25. Find the free inclined upwards at 30° to the horrzontal Which will just cause motion. W R Q = friction angle F 90-010 RA vw Vector Φ 0 = inclined angle 90-0+0 = angle between Fond R Han Q = 4 = 0.25 E = Friction angle = ton" "6.25 Sino Fricton angle = 14°2′ W sin (90-0+0) Angle opposite W = 90° -14°2′ +30=105°58′ F 200 Sin 12 sin los°58' F = 200 x 0.2425 0.9615 Ans, = 50,44 N Hilroy

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.50P: The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the...

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