Supposed you use an ideal pulley of the type shown in pic to support a car engine o mass 125 kg. What's the tension in the rope? What force must the ceiling supply assuming you pull straight down on the rope? Neglect the pulley system mass

Supposed you use an ideal pulley of the type shown in pic to support a car engine o mass 125 kg. What's the tension in the rope? What force must the ceiling supply assuming you pull straight down on the rope? Neglect the pulley system mass

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter9: Statics And Torque

Section: Chapter Questions

Problem 24PE: If you used an ideal pulley of the type shown in Figure 9.26(a) to support a car engine of mass 115...

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Concept explainers

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”

Question

Supposed you use an ideal pulley of the
type shown in pic to support a car engine of
mass 125 kg.
What's the tension in the rope?
What force must the ceiling supply
assuming you pull straight down on the
rope? Neglect the pulley system mass

Suppose you use an ideal pulley of the type shown in Figure 5.18(b) and find it necessary to e
T
MA = 2
MA = 3
MA = 4
TTTT
T
开.
(a)
(b)
(c)
Figure 5.18
(a) What is the load's mass?
kg
(b) What force is exerted on the cellina2 Neglectthe

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