solve this questions
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subham237:
can anyone solve it
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go through this attachment.
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given:
F = 4i+j+3k
S =[(3i+2j-6k)(14i+13j+9k)
we know that:
(work done) W = F•S
then
W = F•S
=(4i+j+3k)• [(3i+2j-6k)(14i+13j+9k)]
=100J
hope this is the answer
if it is not correct or clear sorry very much
have a great lifetime
F = 4i+j+3k
S =[(3i+2j-6k)(14i+13j+9k)
we know that:
(work done) W = F•S
then
W = F•S
=(4i+j+3k)• [(3i+2j-6k)(14i+13j+9k)]
=100J
hope this is the answer
if it is not correct or clear sorry very much
have a great lifetime
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