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[" (c) "60^(@)],[" 3."A" force "F=(5i+3"...

[" (c) "60^(@)],[" 3."A" force "F=(5i+3" j) ""newton "" is applied over a "],[" particle which displaces it from its origin "],[" to the point "r=(2i-1hat j)" metres.The work "],[" done on the particle is "],[[" (a) "-7" joules "," (b) "+13" joules "],[(c)+7" joules "," (d) "+11" joules "]]

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