Need asap me
in the drawing above, the distance from the ground to the floor of the trailer is 28 inches. the length of the ramp is 70 inches. what is the mechanical advantage of this simple machine?
a.
28
b.
2.5
c.
2/5
d.
1/3

Option B. 2.5

Explanation:

Step 1:

Data obtained from the question. This includes:

Height of slope = 28 inches

Length of slope (ramp) = 70 inches

Mechanical advantage =?

Step 2:

Determination of the mechanical advantage. This is illustrated below:

Mechanical advantage = length of slope / height of slope

Mechanical advantage = 70/28

Mechanical advantage = 2.5

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2%? i tried finding the exact sorry if it's not 100% correct ; -;