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You would want to maximize area of contact, and for air friction you would want to maximise the area facing the wind, or direction of motion,
Either way the most friction is had from a sheet, provided it can be kept in the right orientation.
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How a plane reduces friction?
An aerodynamic shape
Which type of friction produces the most heat?
sliding friction
On what factors do the fluid friction depends?
the force of friction in a fluid depends on it's speed with respect to the fluid. It also depends on the shape of the object and the nature of the fluid.
How does the size and shape of wheels affects the speed of a mousetrap powered toy car?
It is depended on the shape of the wheels to determine how much friction is applied.
What has the most friction?
carpet
Why most animal living in water have streamlined shape?
Friction.
How a plane reduces friction?
An aerodynamic shape
Which miterial has the most friction?
Your mom has the most friction. (:
Does friction in space grind stars and planets into a shape for them to be around?
no
How are internal friction and the size and shape of particles related?
yes
What are fluids?
fluid take the shape of the container that they are in. which is called fluid friction
How would a reduction in friction in a stream channel affect the streams velocity?
As water in the stream channel flows, it encounters friction; the friction slows the forward movement. The shape,size, and roughness affect the amount of friction. High friction slows the stream significantly.
How does friction help aeroplanes to fly?
Because of the shape of airplane wings, friction assists in moving the craft forward. This friction creates lift on the wing helping the plane stay in the air.
What features on modern cars help reduce air friction?
The most common features in modern cars that help to reduce air friction is the streamlined design of the bumpers and spoilers. The streamlined shape of fast cars also helps to reduce drag.
What has the most friction and why?
rough materials can generate a lot of friction
Which type of friction produces the most heat?
sliding friction
Is a dolphin gliding through the water using or reducing friction?
A dolphin's shape reduces the friction it encounters when swimming greatly, but it is still exposed to friction, and as a result will slow down if it stops swimming.
