Roller skates reduce friction
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yes because it has rolling friction...
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A roller is a friction-reducing machine that allows you to move a heavy object along the ground. Rolling friction is much less than sliding friction.
In order to move a heavy object along the ground, rollers can be used to reduce the resistance from friction.
A roller is a long object with a round cross-section. It must be long enough not to fall over and can easily roll along the ground or some even surface. A log or even a pencil can be used as a roller.
Usually, several rollers are used to facilitate the movement of some heavy object by reducing the resistance from friction. The force mechanical advantage of using rollers is the resistance force when dragging or sliding an object across the ground divided by the effort force when moving with the rollers
Rollers are extremely simple and a basic part of many complex machines. They were used by the ancient Egyptians in making their pyramids
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you can undrestand
In order to move a heavy object along the ground, rollers can be used to reduce the resistance from friction.
A roller is a long object with a round cross-section. It must be long enough not to fall over and can easily roll along the ground or some even surface. A log or even a pencil can be used as a roller.
Usually, several rollers are used to facilitate the movement of some heavy object by reducing the resistance from friction. The force mechanical advantage of using rollers is the resistance force when dragging or sliding an object across the ground divided by the effort force when moving with the rollers
Rollers are extremely simple and a basic part of many complex machines. They were used by the ancient Egyptians in making their pyramids
I hope this will help you...
Only for reading Dear..
you can undrestand
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