Question: Type the correct answer in the box. Use numerals instead of words. Joel uses a claw hammer to remove a nail from a wall. He

Type the correct answer in the box. Use numerals instead of words. Joel uses a claw hammer to remove a nail from a wall. He applies a force of 40 newtons on the hammer. The hammer applies a force of 160 newtons on the nail. The mechanical advantage of the hammer is

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