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Motions and Forces
a push or a pull
a change of position
distance travelled per unit time
the speed of an object in a particular direction
(physics) a rate of change of velocity
the SI unit of force
The overall force on an object when all the individual forces acting on it are added together
the force of gravity on an object
a body of matter without definite shape
(physics) the force of attraction between all masses in the universe
the constant maximum velocity reached by a body falling through the atmosphere under the attraction of gravity
the motion of a falling object when the only force acting on it is gravity.
the curved path that an object follows when thrown, launched, or otherwise projected near the surface of Earth
(physics) the tendency of a body to maintain is state of rest or uniform motion unless acted upon by an external force
the force applied to a unit area of surface
a continuous amorphous substance that tends to flow and to conform to the outline of its container: a liquid or a gas
a unit of pressure equal to one newton per square meter
the pressure caused by the weight of the atmosphere
upward force exerted on an object immersed in a fluid, the upward force that keeps an object immersed in or floating on a fluid
the buoyant force on an object is equal to the weight of the fluid displaced by the object