A-Level Physics Specification

OCR A H556

Section 3.1.2: Linear motion

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#3.1.2a

(i) the equations of motion for constant acceleration in a straight line, including motion of bodies falling in a uniform gravitational field without air resistance

\(v = u + at \)

\(s = \Big(\dfrac{u+v}{2}\Big)t \)

\( s= ut + \dfrac{1}{2}at^2 \)

\(v^2 = u^2 + 2as \)

(ii) techniques and procedures used to investigate the motion and collisions of objects

PAG1 - Apparatus may include trolleys, air-track gliders, ticker timers, light gates, data-loggers and video techniques.

#3.1.2b

(i) acceleration g of free fall

(ii) techniques and procedures used to determine the acceleration of free fall using trapdoor and electromagnet arrangement or light gates and timer

PAG1

#3.1.2c

reaction time and thinking distance; braking distance and stopping distance for a vehicle.