Safari Fle Edt View Hiatory Dookmarks Window Help Quesion 567 9101112131·15?1716

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Safari Fle Edt View Hiatory Dookmarks Window Help Quesion 567 9101112131·15?1716 For this assignment you submt answers by question ps The number of submision maining for each quetion pert only changes f you subest or change the answer Assignment Scoring Your best submission for each question part isused for your score A biock is placed at the top of an inclined plane and neleased. It sides some distance down the plane while experiencing three forces: gravity, friction, and the nermai force. Which of the foliowing best describes the work done by these forces in this dispiacement? gravity (postive work), friction (negative work): nomal force (neno work) gravity (positive work); friction (positive work); normal force (zero work) o gravity (negative work): triction (negative work); normal force (positive work) gravity (negative work); friction (positive work); normal force (zero werk) grwvity (postive work), friction (negative work): normal force (positive work) View Previo Question Question 19 of 22 Vew Next Queston

Explanation / Answer

work DOne by gravity is Wg = Fg * d and is +ve

Work done by friction is W = u Fs d = and is -ve

Wok DOne by Normal force is N *d and is +ve

option 5 is corrrect

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