Question

) A force act on a substance having mass m is F
= 5
i 4
j + 2
k N. An angle of this force
with X-axis is ....

Answer 1

Answer:

=10J

Explanation:

W

=

F

⋅

S

=(5

i

^

+4

j

^

).(6

i

^

−5

j

^

+3

k

^

)

=30−20+0

=10J