Vocab 1
________ are desirable feature of a solution.
Option: Criteria, Constraints, tradeoff
Criteria
What is friction?
a force that opposes motion between two surfaces that are in contact.
__________ the new state, in which the system's final temperature is between the starting temperature of the metal and the water.
Options - Heat, Thermal Equilibrium, Thermal energy
Thermal Equilibrium
Define constraint
The limitations on a solution.
____________is the vector sum of all external forces acting on it.
Options - Normal force, Force , Net force
Net Force
__________ which is when one desired feature is given up in return for another.
Options - Criteria, Constraint, Tradeoff
Tradeoff
What is stress?
Action-reaction force pairs occur between adjacent particles and are together.
_________ is energy transferred between objects at different temperatures.
Options - Heat, Temperature, Thermal Energy
Heat
Define prototype
A model of a solution that can be tested.
________ of an object is related to the amount of force needed to change the object's motion in a given amount of time.
Options - Kinetic engery, Impulse, Momentum
Momentum
____________which is a system of coordinates that has a fixed origin.
Options - Net force, Frame of reference, Thermal Equilibrium
Frame of reference
What is an elastic collision?
Collisions where objects bounce off of one another and kinetic energy is conserved.
____________two objects bounce off of one another, and while momentum is still conserved, kinetic energy is not.
Options - Elastic collision, Perfectly inelastic collision, inelastic collision
Inelastic collision
Define velocity
An object is a vector giving its speed in a particular direction.
_____________ or a change in momentum.
Options - Force, Impulse, Velocity
Impulse
__________is a change in velocity over time.
Options - Velocity, Acceleration, Impluse
Acceleration
What is energy?
A measure of a system's ability to change or move matter.
Options - Elastic collision, Perfectly inelastic collision, inelastic collision
Define weight
The gravitational force acting on an object.
_____________ is the type of energy due to the motion of an object.
Options - Kinetic energy, Thermal energy, Potential energy.
Kinetic energy
___________ a measure of the amount of matter.
Options: Weight, Energy, Mass
Mass
What is potential energy?
The energy of a system due to its position or state.
__________ is a measure of the energy transfer that happens when an object is moved by an external force.
Options - Work, Heat, Force
Work
Define normal force
The support force that is perpendicular to a surface.
____________ is any portion of the universe that one can select to study.
Options - Energy, Force, System
System