A truck used to demolish a building obstructing the construction of a bridge. This truck contains a wrecking ball of weight (60 kg). This ball is connected to a (15-meter) long steel cable and moves in a vertical arc as shown in the figure. If you know that ball velocity when it reaches (point B) is (4.2 m/s). What is the tensile force of the cable in case: (a) The ball reaches its maximum swing (at point C). (b) When the ball reaches the bottom of the swing (at point D). Good lureh! 00 20

A truck used to demolish a building obstructing the construction of a bridge. This truck contains a wrecking ball of weight (60 kg). This ball is connected to a (15-meter) long steel cable and moves in a vertical arc as shown in the figure. If you know that ball velocity when it reaches (point B) is (4.2 m/s). What is the tensile force of the cable in case: (a) The ball reaches its maximum swing (at point C). (b) When the ball reaches the bottom of the swing (at point D). Good lureh! 00 20

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Laws of Equilibrium

A body is said to be in equilibrium if the system of forces acting on the body tends to keep the body at rest, in other words, there is no translation motion or net torque on the body. Under such conditions, the equilibrium conditions are to be applied to analyze the condition. The branch of mechanics that deals with this condition is known as 'statics'. Under equilibrium, there are no net forces on the body.

Question

A truck used to demolish a building obstructing the construction of a
bridge. This truck contains a wrecking ball of weight (60 kg). This ball
is connected to a (15-meter) long steel cable and moves in a vertical
arc as shown in the figure. If you know that ball velocity when it
reaches (point B) is (4.2 m/s). What is the tensile force of the cable in
case:
(a) The ball reaches its maximum swing (at point C).
(b) When the ball reaches the bottom of the swing (at point D).
Geod dueh!
20

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