Three blocks, light connecting ropes, and a light frictionless pulley comprise a system, as shown in the figure. An external force of magnitude P is applied downward on block A, causing block A to accelerate downward at a constant 2.5 m/s². The tension in the rope connecting block B and block C is equal to 60 N. 18 kg B 60 N am 25 m² G ; (a) What is the magnitude of the force P? (b) What is the mass of block C? kg N

Three blocks, light connecting ropes, and a light frictionless pulley comprise a system, as shown in the figure. An external force of magnitude P is applied downward on block A, causing block A to accelerate downward at a constant 2.5 m/s². The tension in the rope connecting block B and block C is equal to 60 N. 18 kg B 60 N am 25 m² G ; (a) What is the magnitude of the force P? (b) What is the mass of block C? kg N

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter5: Newton's Laws Of Motion

Section: Chapter Questions

Problem 72PQ: A block of ice (m = 15.0 kg) with an attached rope is at rest on a frictionless surface. You pull...

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Question

Three blocks, light connecting ropes, and a light frictionless pulley comprise a system, as shown in the figure. An external force of magnitude P is applied downward on block A, causing block A to accelerate downward at a constant 2.5 m/s². The tension in the rope connecting block B and block C is equal to 60 N.
18 kg B
60 N
a=2.5 m/s²
A 12 kg
(a) What is the magnitude of the force P?
(b) What is the mass of block C?
kg
N

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