A motorboat travels directly east. During its trip, winds blow from directly north, directly south, and southwest. Which of the following statements is true?

A. All of the winds do work on the boat.

B. Only the north wind does work on the boat.

C. Only the south wind does work on the boat.

D. Only the southwest wind does work on the boat.

Question

A motorboat travels directly east. During its trip, winds blow from directly north, directly south, and southwest. Which of the following statements is true?

A. All of the winds do work on the boat.

B. Only the north wind does work on the boat.

C.  Only the south wind does work on the boat.

D. Only the southwest wind does work on the boat.

michele_laino · Answer

on our boat are acting these three forces:

michele_laino · Answer

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anonymous · Answer

yes:)

michele_laino · Answer

if all those three forces have the same magnitude, than the resultant force, is due to the wind from South-West, since the forces from North and from South balance themselves each other

anonymous · Answer

okay so does that mean all the winds do work on the boat?

michele_laino · Answer

no, since we can neglect the winds from North and the one from South

anonymous · Answer

ohh so just the southwest winds? choice D?

michele_laino · Answer

yes! that's right!

anonymous · Answer

yay! thank you:)

michele_laino · Answer

:)