Flashcards in Definitions Deck (25):
the rate of change of velocity.
how much velocity changes every second.
maximum displacement from an undisturbed position.
define centre of gravity
point through which an object's weight acts.
a property of electrons and protons.
rate of flow of charge.
how much charge flows every second.
distance from a fixed point.
how far an object has moved.
ability to do something useful.
not created or destroyed but changed from one form to another.
a push, pull or twist.
number of oscillations per second.
define gravitational field strength
force on each kilogram due to gravity.
amount of material in an object.
a massive object is difficult to accelerate.
turning effect of a force.
mass multiplied by velocity.
conserved in all collisions and explosions.
define a period
time taken to make a complete oscillation.
define potential difference
energy that each coulomb of charge has.
rate that energy is transformed to another form.
number of joules transformed every second.
force per unit area.
waves or particles that are emitted from a substance.
ability of a substance to emit waves or particles.
ability to reduce electrical current.
speed in a certain direction.
distance between one crest and the next crest.