A small lightweight rocket is attached to a 8-kg disc that is initially at rest. The disc with a radius of 336 mm is connected to a frictionless stationary pivot O via a lightweight rod of length 1.47 metres (top view shown below). The rocked provides a constant 24.5 N force and remains perpendicular to the connecting rod. Assume the disc slides on a frictionless surface. Calculate the magnitude of the reaction force at pivot O 3.9 seconds after the rocket was fired. Give your answer in newtons and round the final answer to two decimal places. F

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A small lightweight rocket is attached to a 8-kg disc that is initially at rest. The disc
with a radius of 336 mm is connected to a frictionless stationary pivot O via a
lightweight rod of length 1.47 metres (top view shown below). The rocked provides a
constant 24.5 N force and remains perpendicular to the connecting rod. Assume the
disc slides on a frictionless surface. Calculate the magnitude of the reaction force at
pivot O 3.9 seconds after the rocket was fired. Give your answer in newtons and
round the final answer to two decimal places.
F
Transcribed Image Text:A small lightweight rocket is attached to a 8-kg disc that is initially at rest. The disc with a radius of 336 mm is connected to a frictionless stationary pivot O via a lightweight rod of length 1.47 metres (top view shown below). The rocked provides a constant 24.5 N force and remains perpendicular to the connecting rod. Assume the disc slides on a frictionless surface. Calculate the magnitude of the reaction force at pivot O 3.9 seconds after the rocket was fired. Give your answer in newtons and round the final answer to two decimal places. F
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