a wedge is a small inclined plane
a screw is an inclined lane wkich goes round a centrral axis ... like a 'spiral' or helical staircase
easier per step ... more steps
Zero.
Acceleration is defined as the change in velocity over time.
Since in your case there is no change, there is no acceleration, so it is zero:
Or in formula: <span>a=<span><span>Δv</span>t</span></span>
Where a=acceleration, <span>Δv</span>=change in velocity and t=time
