Memxjsms Flashcards
What is speed?
the rate at which someone or something is able to move or operate
What is energy? (science def.)
power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines
What is velocity?
the speed of something in a given direction
What is force?
the powerful effect of something
What is mass?
Mass is a measure of the amount of matter in an object
What is gravity?
the force that attracts a body toward the center of the earth, or toward any other physical body having mass
What is stability? (Science def.)
Short answer: balance
What is mechanical energy?
In physical sciences, mechanical energy is the sum of potential energy and kinetic energy
What is acceleration?
An object moving forward
Ex. Billy takes 20 steps.
What is kinetic energy?
energy which a body possesses by virtue of being in motion
What is inertia?
a tendency to do nothing or to remain unchanged
What is motion?
the action or process of moving or being moved
What is friction?
Friction is the resistance to motion of one object moving relative to another
What is potential energy?
Potential energy is a type of energy an object has because of its position
