b) accelerate to the left as much more pressure is pulling it in that direction and on the right however , there is less force .
There are only two things you can do to increase the work output of a machine:
1). Increase the work INput to the machine.
2). Make the machine more efficient ... do things like lubricating it better to eliminate some internal friction.
Uniformly around the globe. it is mostly found in earths atmosphere.
Ground water keept the ground at a stable level when it is gone the cavern it was in has no support and is at risk of callaps