Ryan's Vocabulary Quizizz

Mechanical energy

• the energy of an object that moves.

• The energy of object that goes up or down

• energy of an object that goes left or right

• Energy of an object that stays still

momentum

• vector equal to velocity and mass.

• strength or force gained by motion or by a series of events

• the quantity of motion of a moving body

• a measurement of mass in motion

collision

• interacting with one or more objects to change their velocity.

  
  

• the sudden, forceful coming together in direct contact of two bodies,

• when a vehicle collides with another vehicle

• Coming together

impulse

• change in momentum of an object;

• force multiplied by the time over which the force acts. Units either kg m/s

• a sudden strong and unreflective urge or desire to act.

• any force which acts for a very small amount of time.

inelastic collision

• type of collision where the objects stick together after impact

• Momentum is always conserved in collisions, but energy is not conserved in an inelastic collision

• objects stick together after impact,

• Come together

elastic collision

• collision in which objects bounce off each other in a way that conserves total kinetic energy.

• a collision in which there is no net loss in kinetic energy in the system as a result of the collision.

• The collision in which both the momentum and kinetic energy are conserved and colliding bodies continue to move along the same straight line after the collision.

• collision is an encounter between two bodies in which the total kinetic energy of the two bodies remains the same

law of conservation of momentum (hint Force)

• total momentum of a system is constant in the absence of outside forces acting on the system.

  
  

• conservation of momentum principle.

• the total momentum of two or more bodies acting upon each other remains constant unless an external force is applied

• p=p' or m1v1+m2v2=m1v1'+m2v2'