If torque determines a motorcycles accelaration, why does it pull harder at higher revs (bike with flat torque curve)

Question

i started riding a CB500F, it has a flat torque curve, pretty much the same torque at 3k and 9k rpm, then why does the bike (in the same gear) accelate much faster at higher than lower revs?

In: 88

Answer 1

To all the “physics” guys here:

Force creates acceleration.

Power defines how quickly that acceleration occurs.

You can accelerate a train to 300mph but if you want to define how quickly that gets done, you need more than is outlined by force.

Answer 2

Short answer it doesn’t. Torque is a measurement of force, that’s it. Horsepower is a measurement of force over time. It adds the time piece which confuses most.

Let’s use your CB500F and a human (torque/force) as an analogy. For this let’s assume a human is pushing your motorcycle, that force applied by pushing the motorcycle is torque. No different than power from an engine. If a human pushes your motorcycle once per second or ten times per second the force “torque” will be the exact same but the total amount of work (force) over that time period will vary.