Bowling
Published on Nov 18, 2015
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PRESENTATION OUTLINE
I chose this sport because I used to enjoy bowling when I was younger.
(Also marathoning Netflix doesn't seem optional)
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How fast and where the ball is going depends on what the velocity of the ball is. The harder the ball is thrown, the faster it will travel down the lane. Conditions make it depend, but an average velocity for a bowling ball is 16.5 mph.
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Angular velocity vector:
The rotation speed of the ball does not match the linear velocity. Linear friction stops the ball from sliding and pure rolling begins. (Pure rolling is the relation between linear and angular acceleration.)
Photo by Mr. Daniel Godin
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Conservation of Momentum
When collisions between hard bodies/objects, momentum is conserved. When the ball collides with the pins, Conservation of Momentum occurs.
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Angular Momentum:
Product of the Momentum of Inertia and Angular Velocity, Momentum of Inertia is the angular counterpart of the mass--measure of resistance of the object to changing its angular speed. The bowling ball progressing down the alley is an example.
Photo by stevec77
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An object in motion tends to stay in motion until acted on by an outside force. The bowling ball continues moving until it hits the pocket behind the pins.
Photo by jamesjyu
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An object at rest tends to stay at rest unless acted on by an outside force. The bowling ball doesn't move unless thrown, and the pins don't move unless the ball knocks them over.
Photo by ancient history
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If there is less friction, the ball will travel faster. That is why oil is used on the lanes. Also, the weight of the ball factors in along with friction. A heavier ball will keep its speed up longer, since speed is lost as it goes down the lane.
Photo by Joe Shlabotnik
