calculate the work done when a r vector equal to two ICAP - 3 j cap + 7 k cap and b vector is equal to ICAP + 2 j cap - 5 k cap
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Answer:
Work Done = Force • Displacement
= 2i - 3j + 7k • i + 2j - 5k
= 2 - 6 - 35
= - 39
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