The maximum value of resultant of two forces
P & Q S 42N and minimum value of resultant is 10N find the forces
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Answered by
8
Answer:
Let A and B be the two forces,
Greatest resultant =A+B=10 ... (i)
Least resultant =A−B=6 ... (ii)
Solving (i) and (ii), we get, A=8N and B=2N.
When each force is increased by 3N then
A
′
=A+3=8+3=11N, then
B
′
=B+3=2+3=5N
As the new forces are acting at an angle of 90
o
(i.e., θ=90
o
)
So R
′
=
A
′2
+B
′2
=
(11)
2
+(5)
2
=
146
N
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