AQA A Level Physics – Mechanics Exam with Questions and Answers – 100% Solved

AQA A Level Physics – Mechanics Exam with Questions and Answers – 100%
Solved

Acceleration - ✔✔✔-The rate at which velocity changes (a).



Centre of mass - ✔✔✔-The point at which the whole mass of the object appears to act through.



Couple - ✔✔✔-A pair of forces of equal size which act parallel to each other but in opposite
directions.



Displacement - ✔✔✔-How far an object's travelled from its starting point in a given direction
(s).



Efficiency - ✔✔✔-The percentage of the input work that is converted to output work.



Elastic collision - ✔✔✔-A collision in which the total momentum and the total kinetic energy
are conserved.



Equilibrium - ✔✔✔-All forces acting on an object a balanced and cancel each other out. There is
no resultant force.



Fluid friction - ✔✔✔-Friction that occurs as an object moves through a liquid or gas known as
drag.



Free-body diagrams - ✔✔✔-A diagram showing all the forces acting on an object.



Freefall - ✔✔✔-When the only force acting on an object is gravity.



Friction - ✔✔✔-A force that opposes motion between two surfaces that are in contact