A heavy lifting crane is being used to stack cargo containers on the deck of a ship. The heaviest container weighs 10 tons (= 20, 000 pounds = 89,000 Newtons). How much force should the crane's cable support if it lifts this container with an upward acceleration of 1m/s²? How would this answer change if the crane were sliding the heaviest container up an inclined plane (frictionless) making an angle of 30 degrees with the horizontal. Please assume the crate lies flat on the plane and that the cable pulling it is parallel to the surface of the plane.
A heavy lifting crane is being used to stack cargo containers on the deck of a ship. The heaviest container weighs 10 tons (= 20, 000 pounds = 89,000 Newtons). How much force should the crane's cable support if it lifts this container with an upward acceleration of 1m/s²? How would this answer change if the crane were sliding the heaviest container up an inclined plane (frictionless) making an angle of 30 degrees with the horizontal. Please assume the crate lies flat on the plane and that the cable pulling it is parallel to the surface of the plane.
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 21P: Two teenagers are pulling on ropes attached to a tree. The angle between the ropes is 30 . David...
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