Compute the force of friction ff for a 5kg aluminium block, Ask an Expert

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Q. A tugboat pulls a ship with the constant net horizontal force of 5000 N and causes the ship to move through a harbor. How much work is done on the ship if it moves a distance of 3Km?

Q. Compute the Force of Friction (Ff) for a 5kg aluminium block being pulled with constant velocity (uniform motion), up the steel plank that is at a 30degrees angle to the horizontal.

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