Two forces −→F1=ˆi−2ˆj+2ˆk N and −→F2=−3ˆi+ˆj−3ˆk N acts on a body and causes it to displace from position →s1=ˆi−ˆj m to →s2=2ˆj−aˆk m. Find the value of ′a′ if the amount of net work done by the forces is 5 J during the displacement.

Two forces −→F1=ˆi−2ˆj+2ˆk N and −→F2=−3ˆi+ˆj−3ˆk

1.	Two forces −→F1=ˆi−2ˆj+2ˆk N and −→F2=−3ˆi+ˆj−3ˆk N acts on a body and causes it to displace from position →s1=ˆi−ˆj m to →s2=2ˆj−aˆk m. Find the value of ′a′ if the amount of net work done by the forces is 5 J during the displacement.
Answer» Two forces $_{1} = ˆ i - 2 ˆ j + 2 ˆ k$ $N$ and $_{2} = - 3 ˆ i + ˆ j - 3 ˆ k$ $N$ acts on a body and causes it to displace from position $_{1} = ˆ i - ˆ j$ $m$ to $_{2} = 2 ˆ j - a ˆ k$ $m$ . Find the value of $^{'} a^{'}$ if the amount of net work done by the forces is $5 J$ during the displacement.

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Two forces −→F1=ˆi−2ˆj+2ˆk N and −→F2=−3ˆi+ˆj−3ˆk N acts on a body and causes it to displace from position →s1=ˆi−ˆj m to →s2=2ˆj−aˆk m. Find the value of ′a′ if the amount of net work done by the forces is 5 J during the displacement.

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