1 The constant force (3 8 11 ) N is applied over adisplacement...

1. The constant force (3 Ã® - 8 Äµ - 11 Æ™ ) N is...

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Physics

1. The constant force (3 Ã® - 8 Äµ - 11 Æ™ ) N is applied over adisplacement (6j - 7Æ™) m. What is the work done by this forceduring this process? Answer in joules.
2. Whenever net work is done on an object, what will always betrue?
the height of the object will change
the energy of the object will change
the gravitational potential energy of the object willchange
the speed of the object will change
heat is produced

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4.4 Ratings (549 Votes)

1 Given Constant Force vector is F 3 8 11 N applied over a displacement S 6j 7 m the work done is W F S scalar product of the two vectors Force and displacement W FS W 3 8 11 0 i 6j 7 J W 30i0 86 jj 117kk we know that ii jj kk 1 so work done W 0 481771 W 29 J the work done See Answer

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