A 1500 kg load is lifted by a hoist using a Ø1.5 m drum. The drum is driven by an electric motor.through a gearbox with a reduction ratio- 25. At a certain instant, 175 m of unwrapped rope is lifting the load and 7.4 m of rope is wrapped on the drum. மmm; diameter = 215 m IonuM- 322 kg-m- (includes the inertia effects of the gearbox only) Motor speed - TMOTOR 1200 rpm 1.24 kg-m Rope: mass: 3 kg al Show that the equivalent momeat of inertia of the notor and drim gearbox is 1109.5 kg-m" at the drum. by At this instant, determine the motor torgpe required if the load as accelerating upward at 3,5 ms-.
A 1500 kg load is lifted by a hoist using a Ø1.5 m drum. The drum is driven by an electric motor.through a gearbox with a reduction ratio- 25. At a certain instant, 175 m of unwrapped rope is lifting the load and 7.4 m of rope is wrapped on the drum. மmm; diameter = 215 m IonuM- 322 kg-m- (includes the inertia effects of the gearbox only) Motor speed - TMOTOR 1200 rpm 1.24 kg-m Rope: mass: 3 kg al Show that the equivalent momeat of inertia of the notor and drim gearbox is 1109.5 kg-m" at the drum. by At this instant, determine the motor torgpe required if the load as accelerating upward at 3,5 ms-.
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 7.70P: Solve Sample Problem 7.16 if the contact pressure under the polisher varies parabolically from p0 at...
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