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# Physics of Longboarding

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## Julia Coleman

on 9 June 2014

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#### Transcript of Physics of Longboarding

History
Momentum
P= M(V)
Air Resistance
The Air drag or Resistance refers to forces which act on a solid object in the direction of the relative fluid flow velocity.
the faster you go the more drag you will experience as a rider thus essentially slowing you down.
Friction
Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
(the wheels and the pavement)
Gravitational Potential Energy
At the top of the hill Tyler's Kinetic engergy was zero
His potential energy was at maximum
While going down the hill his energy converts to kinetic energy and is completely converted at the bottom of the hill
Calculations
Bibliography
Thank you
The Physics of Longboarding
Long boarding is known as sidewalk surfing, which is a combination of surfing and skateboarding that originated in Hawaii around 1959 when the first commercial skateboards appeared. Skateboards were sold in big department stores such as Sears and in some neighborhood stores, it wasn't until 1993 when Sector 9 started mass producing the very first longboards.
LongBoarding vs. Skateboarding
Longboards are obviously longer and heavier than skateboards
Longboards have wider and softer wheels which can grip more pavement, and increase cornering ability.
Skate borads are smaller and quicker
Skateboards are more vulnerable to crashing
F(parallel)
F(gravity)
F(horizontal)
F(norm)
F(friction)
F(applied)
Diagram
Data
The quantity of motion of a moving object measured as a product of the mass and velocity.
The force that keeps us going once we have already started
http://aplusphysics.com/community/index.php/blog/154/entry-1011-physics-of-longboarding

http://www.silverfishlongboarding.com/forum/longboarding-photos/121816-physics-longboarding.html

http://www.windwardboardshop.com/learn/understanding-longboard-wheels/#.U5QRz3JdXng

http://www.sportinglife360.com/index.php/different-types-of-longboarding-3173/

Distance traveled= 161.5m
Time= 32s
Weight of Tyler+board=88kg
Measured Angle= 6degrees.
(we measured the angle by taking a plumb line. We used a protractor to measure the angle. We made sure that the protractor was perpendicular to the plumb line, and we adjusted the angle until it was parallel to the road.)
Review
Longboarding originated in Hawaii in 1959
Longboards vs. Skateboards
Momentum P=M(V)
Air Resistance
Friction
GPE=KE
Forces F=M(A)
GPE=KE
F=ma
Full transcript