Answer:
Mid-Ocean Ridges
Explanation:
The mid-ocean ridges is an underwater mountain system formed by diverging oceanic plates.
- This mid - ocean ridge is one of the prominent land mass on the earth surface.
- At a diverging center, two tectonic plates are pulling apart from one another.
- This creates a space which allows for magma to rise up.
- The magma then crystallize to form an extensive ridge network known as the mid - oceanic ridge.
- The continental expression of the ridge can only be found in Iceland
The moment of a couple is Force × perpendicular distance from the arm of the line of action
so the arm of the couple= moment of couple/force=8.5/34=0.25m
the arm is 0.25m
Answer:
A. -30 N
Explanation:
not sure but if the box isn't moving then the force opposite of Polly would be equal to the force she's exerting.
