The maximum and minimum resultant of two forces acting at a point are 30N and 10N respectively. If each force is increased by 2N, find the resultant of two new forces acting at right angle to each other.
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2
Answer:
384N
Explanation:
Fmax=30+2=32N
Fmin=10+2=12N
F=[(Fmax)²+(Fmin)²+Fmax Fmin cos90]½
F=[(32)²+(12)²+32*12*0]½
F=[1024+144+0]½
F=[147456]½
F=384N
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6
Answer:
The resultant of a number of forces acting on a body is the vector sum of all the forces acting on the body. The maximum resultant forces is found when all the forces have the same direction (parallel forces). The minimum resultant force is found when forces act in exactly opposite directions (anti-parallel forces).
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