Question
if the same ball rolls down from three different length trackways with a 20degrees elevation, its acceleration on the short-length trackway is 1.08m/s^2;its acceleration on the medium-length trackway is 1.79m/s^2;and its acceleration on the long-length trackway is 1.52m/s^2.
how do the values of aS,aM, and aL compare and account for the results and any diffrences.
what do you mean by aS, aM, and aL ?
aS=the acceleration of the ball on short-length trackway
aM=the acceleration of the ball on medium-length trackway
aL=the acceleration of the ball on long-length trackway
Well, assume the ball is rolling. Friction will have a greater effect on the long track, as it operates for a longer distance. That accounts for the difference between the medium and long.
I cant explain the short length, it should be a higher value, in my thinking.
how do the values of aS,aM, and aL compare and account for the results and any diffrences.
what do you mean by aS, aM, and aL ?
aS=the acceleration of the ball on short-length trackway
aM=the acceleration of the ball on medium-length trackway
aL=the acceleration of the ball on long-length trackway
Well, assume the ball is rolling. Friction will have a greater effect on the long track, as it operates for a longer distance. That accounts for the difference between the medium and long.
I cant explain the short length, it should be a higher value, in my thinking.