Physics, asked by Jaskaransingh5911, 7 months ago

a particle is displaced through (3î-2j+2k) meters under influence of force (-i+j-5k) newton calculate the work done

Answers

Answered by anushkamishra35
0

Answer:

1J

Explanation:

Work done is the dot product of Force and displacement.

W=

F

r

=

F

⋅(

r

2

r

1

)

⇒W=(

i

^

+2

j

^

+3

k

^

)⋅((

i

^

j

^

+2

k

^

)−(

i

^

+

j

^

+

k

^

))

⇒W=(

i

^

+2

j

^

+3

k

^

)⋅(−2

j

^

+

k

^

)

⇒W=−4+3=−1J

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