Question

effect of rollers on friction​

Answer 1

Answer:

You can use rollers to move a heavy object along the ground, since they reduce 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.

Answer 2

Answer:

You can use rollers to move a heavy object along the ground, since they reduce 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.

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