Momentum
Momentum is term used in physics to measure how hard it is to stop an object that is moving or the quantity of motion an object has. It is called too as the inertia in motion, because as more mass an object has, more inertia, and with more inertia (an object in motion stays in motion), more momentum this object will have.
Momentum can be determinate by the equation:
p= (m)(v)
momentum= (mass)(velocity)
Momentum is also a vector quantity, so it needs magnitude and direction to be correctly described. The units used to calculate momentum are kg . m/s
Momentum is term used in physics to measure how hard it is to stop an object that is moving or the quantity of motion an object has. It is called too as the inertia in motion, because as more mass an object has, more inertia, and with more inertia (an object in motion stays in motion), more momentum this object will have.
Momentum can be determinate by the equation:
p= (m)(v)
momentum= (mass)(velocity)
Momentum is also a vector quantity, so it needs magnitude and direction to be correctly described. The units used to calculate momentum are kg . m/s
realting to football
As momentum is directly related to mass and velocity, as more mass and faster a player running, more momentum this person has. So if another player tries to stop the first player, he will have difficulty compared to try stop a player the has less mass and is running at a lower speed than the first one.
Review Questions
Which of the following has more momentum: a player with 75 kg running at 30 m/s or another player with 89 kg running ate 30 m/s?
The second player ( 89 kg)
During a football game, a player is running at 20 m/s and has a mass of 70 kg. When another player stops him, what is the momentum of these players?
1,400 kg.m/s
The second player ( 89 kg)
During a football game, a player is running at 20 m/s and has a mass of 70 kg. When another player stops him, what is the momentum of these players?
1,400 kg.m/s