Answer:
the object is no longer in equilibrium .
Answer:
b. Hill top
Explanation:
On a topographic map, the closed circles are meant to represent a hill. So if the contour lines are creating a group of concentric closed loops then it must be an indication of a hill.
Answer:
I believe it's the first option
In question 2
The second line of equation would be 54 = 108 + 10a
get the rest from that
