Vocabulary
Collision between two or more objects where the net kinetic energy is conserved in the system.
What is Elastic Collision?
The amount of work a student performs if able to lift a 400 N sandbag 2 meters off the ground.
What is 800 Joules?
Definition for Conservation of Energy
What is the fundamental principle of physics that the total energy of an isolated system is constant, despite internal changes?
The total momentum remains constant unless a net external force acts on a system
What is the definition for conservation of momentum?
The letter variable for Work.
What is capital W?
Inelastic Collision
What is a collision between two or more objects where some kinetic energy is converted to another form of energy?
The amount of work done by a 220 N force being put on a vehicle moving it 18 m from it’s starting point.
What is 3,960 J?
The kinetic energy of an object if its mass is 12 kg and it is going a velocity of 2 m/s.
What is 24 Joules?
The equation equal to impulse's, Force x Change in time (F x Delta t = ???)
What is change in momentum?
(Delta p or mv1 - mv2)
The letter variable for Momentum
What is lower case p?
The sum of potential and kinetic energy for an object.
What is Mechanical Energy?
The power developed from a machine doing 2,500 J of work in 48 seconds.
What is 52.08 Watts?
The potential energy of a 16.1 kg boulder is sitting on top of a 45 m tall cliff, considering the acceleration due to gravity.
What is 7,100 J?
The impulse of a tennis player hitting a ball with a force of 345 N, and the racquet is in contact with the ball for 0.0032 s.
What is 1.1 N x s?
SI Unit for Impulse
What is Newtons x Seconds (Ns)?
Conservative force
What is force in which the work done by the force is determined only by the displacement of the mass?
The total power produced in one day by a light bulb with an energy of 90,000 J.
What is 1.0416 Watts?
The elastic potential energy of a 0.2 kg rubber band stretched 4 m to be launched at a rate of 1.3 m/s.
What is 1.352 J?
The momentum of a 0.035 kg water balloon traveling through the air at a velocity of 11.176 m/s.
What is 0.39116 kg*m/s?
SI Unit for Energy
What is Joules (Capital J)
Work-Energy Theorem
What is when work is done on an object, the kinetic energy of the object changes?
The object that would have the greatest amount of work done based on the list below.
A 2 kg mass moved 30 m.
A 5 kg mass moved 10 m.
A 20 kg mass moved 20 m.
A 30 kg mass moved 10 m.
What is 3. A 20 kg mass moved 20 m?
Energy stored in the bonds of chemical compounds. This type of energy may be released during a chemical reaction, often in the form of heat.
What is chemical energy?
The SI Unit for momentum.
What is Kilograms x meters/second (Kg*m/s)?
The term written as the variable capital P
What is Power?