Please draw a simple fbd and solve . QUESTION 7A 150 lb wrecking ball B is attached to a 50-ft-long steel cable AB and swings in the vertical arc shown. What is the magnitude of the ball'sacceleration in ft/s² at the bottom of its swing (point D) if its velocity is 20 ft/s? Type in only your numerical answer to three significant figures,e.g., 1.23.20⁰A

Calculate the normal acceleration at point D.

Answered: acceleration in ft/s² at the bottom of…

Engineering

Mechanical Engineering

acceleration in ft/s² at the bottom of its swing (point D)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Conservation of Energy

In physics, the rule of the conservation of energy states that energy doesn’t disappear from the atmosphere; instead, it changes its form from one type to another. Energy is one of the most important physical quantities in nature, and it cannot be created or destroyed — only transformed.

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Please draw a simple fbd and solve .

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Step 1: Draw the free body diagram of oscillating mass.

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Step 2: Write the net torque equation for oscillating mass using Newton second law.

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Step 3: Find the roots for second order equation and write general equation.

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Step 4: Find the constant values of A and B.

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Step 5: Calculate the angular acceleration at point D.

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