In a household experiment, Stephany uses a combination of string and spring to test their strengths, as shown in the figure. On the top end of the system is a football, and a spring-mass system is attached to the football with the help of a key. A needle attached to the spring lies next to the football. The final acceleration of this spring is more than 2g at the point of equilibrium. When the string is cut, the needle bursts the football. Calculate the acceleration of the blocks respectively at A, B and C just after the string is cut and also determine whether the ball bursts or remains safe
In a household experiment, Stephany uses a combination of string and spring to test their strengths, as shown in the figure. On the top end of the system is a football, and a spring-mass system is attached to the football with the help of a key. A needle attached to the spring lies next to the football. The final acceleration of this spring is more than 2g at the point of equilibrium. When the string is cut, the needle bursts the football. Calculate the acceleration of the blocks respectively at A, B and C just after the string is cut and also determine whether the ball bursts or remains safe
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 7.60P: The force P applied to the brake handle enables the band brake to reduce the angular speed of a...
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4th option-g,3g, 5g/2 ball bursts
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