Determine whether the forces in the pair are pulling at right angles to each other.

For each group of three forces below, determine whether the forces in each pair are pulling at right angles to each other.

13 lb, 35 lb, resultant force 30 lb no; 20 lb, 15 lb, resultant force 25 lb yes
13 lb, 35 lb, resultant force 30 lb no; 20 lb, 15 lb, resultant force 25 lb no
13 lb, 35 lb, resultant force 30 lb yes; 20 lb, 15 lb, resultant force 25 lb no
13 lb, 35 lb, resultant force 30 lb yes; 20 lb, 15 lb, resultant force 25 lb yes

Question

Determine whether the forces in the pair are pulling at right angles to each other.

For each group of three forces below, determine whether the forces in each pair are pulling at right angles to each other. 
 	
	13 lb, 35 lb, resultant force 30 lb no;  20 lb, 15 lb, resultant force 25 lb yes
	13 lb, 35 lb, resultant force 30 lb no;  20 lb, 15 lb, resultant force 25 lb no
	13 lb, 35 lb, resultant force 30 lb yes;  20 lb, 15 lb, resultant force 25 lb no
	13 lb, 35 lb, resultant force 30 lb yes;  20 lb, 15 lb, resultant force 25 lb yes

anonymous · Answer

a rectangle does not have a min or max area.  It has one answer.  For there to be a min or max area,  something has to change:  one of its sides must be longer or shorter.

compassionate · Answer

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I'll contact an expert to help you!

anonymous · Answer

the area of a rectangle is L*W  or 2*5=10

ddcamp · Answer

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ddcamp · Answer

Redrawing the forces like this may help:
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