Does direction matter measuring momentum?
Direction does not matter when you are measuring momentum. Momentum can be transferred from one object to another. When objects collide, some momentum is lost.
What is the difference between momentum and velocity?
As nouns the difference between velocity and momentum is that velocity is (physics) a vector quantity that denotes the rate of change of position with respect to time, or a speed with the directional component while momentum is (physics) (of a body in motion) the product of its mass and velocity.
What can cause momentum to be lost?
Provided that there are no net external forces acting upon the objects, the momentum of all objects before the collision equals the momentum of all objects after the collision. If there are only two objects involved in the collision, then the momentum lost by one object equals the momentum gained by the other object.
Is linear momentum conserved if there is friction?
No. With friction, that part of momentum can be trasferred to another body. The conservation of momentum is not violated.
Is angular momentum conserved on a swing?
When you swing your legs forward and throw your head back to get the swing to go, you are creating a torque on your body. In this process the angular momentum is conserved because your legs and head are applying a torque to you.
Is mechanical energy conserved in a pendulum?
At every point in the motion of the pendulum the total mechanical energy is conserved. The sum of the gravitational potential energy and the kinetic energy, at each point of the motion, is a constant, which is the total mechanical energy.
What forces do work on a pendulum?
There are two dominant forces acting upon a pendulum bob at all times during the course of its motion. There is the force of gravity that acts downward upon the bob. It results from the Earth’s mass attracting the mass of the bob. And there is a tension force acting upward and towards the pivot point of the pendulum.
How does gravity affect the pendulum?
Force of gravity-This accelerates the pendulum down. The momentum built up by the acceleration of gravity causes the mass to swing in the opposite direction to a height equal to the original position.)