Vector applications

The sum of 2 vector forces is <5, -3>.  What is the magnitude of the resulting force?

• mag: 16

• mag: 5.831

• mag: 34

• mag: 4

John and Danny, own a strong and stubborn puppy named Dexter. It is so hard to take Dexter for a walk that they devise a scheme to use 2 leashes. If John and Danny pull with forces of 23 lbs and 27 lbs at the angles shown, how hard is Dexter pulling if the puppy holds the children at a standstill?

• 50 lbs

• 47.954 lbs

• 48.073 lbs

• 48.461 lbs

What is the resulting net force?

• 14.422 newtons north

• 20 newtons north

• 4 newtons south

• 4 newtons north

• 20 newtons south

What is the magnitude of the resulting force ?

• 18.727 Newtons

• 20 Newtons

• 4 Newtons

• 8.082 Newtons

What is the magnitude of the resulting force?

• 18.343 Newtons

• 8.918 Newtons

• 20 Newtons

• 4 Newtons

Shirley, Scott, and Dan are pushing this trunk across the floor. Shirley is pushing with a force of 185 N at 0° while Scott pushes with a force of 165 N at 30° and Dan applies a force of 195 N at 300°.  Which is the correct work to find the resulting force?

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Which diagram shows the correct resulting force?

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