Pulling down on a rope to hoist a sail on a sailboat is an example of a machine A. multiplying the force you exert. B. multiplying the distance over which a force is exerted. C. changing the direction over which a force is exerted. D. reducing friction.
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Question
Updated 1/29/2017 12:50:49 PM
Flagged by Wallet.ro [1/29/2017 12:50:44 PM]
Original conversation
User: Pulling down on a rope to hoist a sail on a sailboat is an example of a machine A. multiplying the force you exert. B. multiplying the distance over which a force is exerted. C. changing the direction over which a force is exerted. D. reducing friction.

User: The mechanical advantage of a machine is the number of times a machine increases A. the distance an object is moved. B. the amount of friction. C. the change in direction. D. the force exerted on the machine.

Question
Updated 1/29/2017 12:50:49 PM
Flagged by Wallet.ro [1/29/2017 12:50:44 PM]
Rating
8
Pulling down on a rope to hoist a sail on a sailboat is an example of a machine changing the direction over which a force is exerted.
Confirmed by jeifunk [1/30/2017 4:36:43 AM]
8
The mechanical advantage of a machine is the number of times a machine increases the force exerted on the machine.
Confirmed by jeifunk [1/30/2017 4:36:46 AM]

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