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# PHYSICS

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by

## Randy Bush

on 10 November 2014

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#### Transcript of PHYSICS

What is Friction?
PHYSICS IN
BOWLING
By: Emilie Edmonds
Parker Phillips
Randy Bush
Friction in Bowling
Bowling lanes are oiled to reduce friction between the ball and lane to increase the speed
The lane is oiled less at the end so the ball will spin.

Frictional Force Equation
A force that opposes motion (tries to stop motion) between two surfaces
Static friction
Force that opposes the start of motion
Kinetic friction
Force that opposes motion between moving surfaces
ΣF =μF
f N
F
f
Normal Force=Weight in Newtons
W=mg [mass x gravity (9.81 m/s )]
Plug in known information into frictional force equation
2
Calculations
Friction of Oiled and Dry Lanes
= Frictional force
μ = Coefficient of Friction
F
N
= Normal force
Data chart showing
the different sizes
of bowling balls and
their friction on the lanes
Graph comparing
the Friction to the
weight of the ball
Works Cited:
1. http://www.wisegeek.com/how-does-friction-affect-the-motion-of-a-bowling-ball.htm

2. http://www.real-world-physics-problems.com/physics-of-bowling.html
Bowling Lane Diagram
12 m
6 m
μ
k
μ
k
= 0.2
= 0.04
OILED
DRY
Full transcript