Urgent one please answer fast ....
Answer of 4th question
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Answered by
0
Answer:
16i - 18j
Explanation:
We know that, W = Fs
W = (2×8) i + (3×-6)j + (0×5)k (scalar product of force & displacement )
= 16i -18j
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Answered by
0
Answer:
given
F = (2i+3j)N
d =(8i-2j+5k)m
Explanation:
W =F.d
W =(2i+3j+0k).(8i-2j+5k)
W=(2*8)+[3*(-2)]+(0*5)
W=16-6+0
W=10J
Answer (b) 10J
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