Math Problem Statement
A bowling ball weighing 71.2 N (16.0 lb) is attached to the ceiling by a 3.40 m rope. The ball is pulled to one side and released; it then swings back and forth as a pendulum. As the rope swings through the vertical, the speed of the bowling ball is 4.80 m/s.
At this instant, what is the acceleration of the bowling ball, in magnitude and direction? Express your answer with the appropriate SI units. Enter positive value if the acceleration is upward and negative value if the acceleration is downward.
Solution
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Math Problem Analysis
Mathematical Concepts
Circular Motion
Pendulum Motion
Forces
Acceleration
Formulas
Centripetal force: F_c = m * v^2 / r
Weight: W = m * g
Acceleration due to gravity: g = 9.81 m/s^2
Theorems
Newton's Second Law of Motion
Centripetal Force Theorem
Suitable Grade Level
Grades 11-12 (Advanced High School Physics)
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