An inflated, spherical, beach ball with a radius of 0.3573[m] and average density of 10.65[kg/m3] is...
An inflated, spherical, beach ball with a radius of 0.3573[m] and average density of 10.65[kg/m3] is being held underwater in a pool by Janelle. The density of the water in the pool is 1000.0[kg/m3]. What is the magnitude of the gravitational force on the ball? Express your answer in N.
I got the answer 1854.72 N but I got it incorrect. Just trying to understand why.
Homework Answers
here,
radius of the ball , r = 0.3573 m
the average density of ball, p = 10.65 kg/m^3
the magnitude of the gravitational force on the ball , F = m * g
F = (V * p) * g
F = (4/3 * pi * r^3) * p * g
F = (4/3 * pi * 0.3573^3) * 10.65 * 9.81 N
F = 19.9 N
the magnitude of the gravitational force on the ball is 19.9 N
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