A LEVEL PHYSICS AQA PAPER 1 EXAM QUESTIONS AND ANSWERS 100% ACCURATE!
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A LEVEL PHYSICS AQA PAPER 1
Institution
A LEVEL PHYSICS AQA PAPER 1
Terminal Velocity - ANSWER The constant, maximum velocity of an object when the resistive forces on it are equal and opposite to the accelerating forces
Hooke's Law - ANSWER The tension in a spring or wire is proportional to its extension from its natural length, provided the extension is not to...
, A LEVEL PHYSICS AQA PAPER 1 EXAM
QUESTIONS AND ANSWERS 100%
ACCURATE!
Longitudinal - ANSWER A wave in which displacement is parallel to direction of travel.
Transverse - ANSWER A wave in which displacement of partivles is perpendicular to
travel.
Scalar - ANSWER a quantity having only magnitude, not direction
Vector - ANSWER A quantity with both magnitude and direction
principle of moments - ANSWER When a system is in equilibrium the sum of
anticlockwise moments about a point equals the sum of the clockwise moments about
the same point
Centre of gravity - ANSWER The single point within a body at which the entire weight of
the body is considered to act
Terminal Velocity - ANSWER The constant, maximum velocity of an object when the
resistive forces on it are equal and opposite to the accelerating forces
Hooke's Law - ANSWER The tension in a spring or wire is proportional to its extension
from its natural length, provided the extension is not too great (before elastic
deformation)
Spring Constant - ANSWER A characteristic of a spring which is defined as the ratio of
the force affecting the spring to the displacement caused by it
Tensile Stress - ANSWER the force per unit cross-sectional area when equal opposing
forces act on a body. UNIT: Pa or Nm^-2.
moment - ANSWER The turning effect of a force about a point is defined as the force x
the perpendicular distance from the point to the line of action of the force UNIT: Nm
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