AQA PHYSICS GCSE - FORCES PRACTICE TEST ACCURATELY ANSWERED
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Course
Physics
Institution
GCSE
AQA PHYSICS GCSE - FORCES
vector - answer A quantity that has magnitude and direction
scalar - answer A physical quantity that has magnitude only.
contact force - answer a push or pull on one object by another that is touching it
non-contact force - answer a force that one object can ap...
AQA PHYSICS GCSE - FORCES
vector - answer A quantity that has magnitude and direction
scalar - answer A physical quantity that has magnitude only.
contact force - answer a push or pull on one object by another that is touching it
non-contact force - answer a force that one object can apply to another object without touching
it
gravitational forces - answer the force of attraction between any 2 objects with mass: the
greater the mass, the greater the attraction
Weight - answer the force of gravity on an object
Mass - answer A measure of the amount of matter in an object
Weight equation - answer W=mg
earth's gravitational field strength - answer 9.8N/kg
Resultant force - answer The resultant of a system of force is the vector sum of all forces.
balanced forces - answer Equal forces acting on an object in opposite directions
Work done equation - answer force x distance
, work done - answer energy transferred
Force, spring constant, extension - answer F=ke
elastic potential energy - answer E = 1/2ke^2
moment equation - answer M = Fd
Levers - answer Simple machines with an arm that moves around a fulcrum
gears - answer two or more wheels linked together by interlocking teeth
Pressure equation - answer p = hpg
atmospheric pressure - answer the pressure caused by the weight of the atmosphere
Upthrust - answer The upward buoyant force exerted on a body immersed in a fluid
floating - answer object is less dense than the fluid, it weighs less than the equivalent volume of
fluid
sinking - answer object is more dense than the fluid, it weighs more than the equivalent volume
of fluid
Displacement - answer Distance and direction of an object's change in position from the starting
point.
bearing - answer A three digit angle measured from north in a clockwise direction.
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