It's suspension in the forks and or rear of the bike.
Very basic physics.
the foam of the ball
No, it would bounce better on warm days because heat makes things exspand and cold makes thing shrink
The salt,cold or sand
rephrase... question makes no sense
The pedals, crank, chain, sprockets, and wheels. Along with the rider, they all work together to make the bicycle go.
Probably bad shocks.
A bicycle consist of several simple machines, which makes it a complex machine.
A compound machineA bicycle consists of several simple machines, which makes it a complex machine.