2 years ago

HELP PLEASE!!!! Im not good with math PLEASE HELP ASAP!!!

Mathematics

1 answer:

Setler79 [48]2 years ago

3 0

Answer:

164

Step-by-step explanation:

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Read 2 more answers

An overhead garage door has two springs, one on each side of the door. A force of 15 pounds is required to stretch each spring 1

svlad2 [7]

Answer:

120 pounds

Step-by-step explanation:

Data provided in the question:

Force applied, F₁ = 15 pounds

Displacement by Force F₁, x₁ = 1 foot

At natural length of the spring total movement of the door = 8 feet

Now,

we know,

Force in spring, F = kx

where, k is the spring constant

Thus,

15 = k(1) ............(1)

now when the door travels half the distance x₂ = $\frac{8}{2}$ = 4 feet

Therefore,

F₂ = k(4) ..........(2)

Dividing 2 by 1

we get

$\frac{F_2}{F_1}=\frac{k(4)}{k(1)}$

$\frac{F_2}{15}=\frac{(4)}{(1)}$

F = 15 × 4 = 60 pounds

Thus,

for 2 springs combined force applied = 2 × 60 pounds = 120 pounds

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3 years ago