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10-08-2016
Mathematics

contestada

Which of these items is not a wedge?
a. axe
b. knife
c. ramp
d. ice pick user: how can the mechanical advantage of an inclined plane be expressed as a ratio?
a. length / time
b. mass / length2
c. length / height
d. length * height

Respuesta :

Oranges1 Oranges1

10-08-2016

I'm assuming the ice pick isn't shaped like a wedge.

For question two, I believe it's length/height (or hypotenuse/height)

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