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Scooter are safer, but bikes are more fun
I think the truck has more inertia because ethe motorcycle seems less dense than the truck.
The truck it has more weight behind it.
the answer is an airplane
A combination of inertia and centrifugal force. The wheels, once rotating, create centrifugal force which in conjunction with gravity cause the bicycle to move forward creating inertia. the more energy put into the bike via the drivetrain, the more inertia is created and the more stable the bike becomes.
Yes
A bike and scooter are both great! However, when it comes to wanting speed, a bike would be more beneficial, as you're in control of how fast you're going!
because it has greater mass
If the scooter has a motor the bike wins hands down. If by scooter you mean one of those two-wheeled thingys which you stand on and kick yourself along, then it's all down to how hard you're trying rather than the type of equipment you're using.
A truck is heavier, has more mass. So at the same speed, the more massive object has more inertia. A scientific word for inertia is Momentum, defined as mass times speed, and is equal to force times time. So a 1 kilogram mass operated on by a 1 Newton force for 1 second would move at 1 metre per second and would have a momentum of 1 kg-N.
A scooter for sure. They're generally more economic to run, cheaper to buy up front and just happen to be very very trendy at the moment. To have a look at the latest scooter styles that are popular in the UK, check out http://www.qualityscooters.co.uk
A parked semi truck has no momentum. A moving bicycle does. If both the bike and the truck are moving at the same speed in the same direction, the truck will have more because it has more mass.