P4.2.6 a) recall and apply the SP1c 6 relationship: acceleration (m/s2) = change in speed (m/s) ÷ time taken (s) b) explain how to use appropriate apparatus and techniques to investigate acceleration P4.2.7 select and apply the SP1c 7 relationship: (final speed (m/s))2 – (initial speed(m/s))2 = 2 × acceleration (m/s2) × distance (m) P4.2.8 draw and use graphs of SP1b, SP1d 5, 8, 9 distances and speeds against time to determine the speeds and accelerations involved P4.2.9 interpret distance–time and SP1b, SP1d 5, 8,9 velocity–time graphs, including relating the lines and slopes in such graphs to the motion represented P4.2.10 interpret enclosed areas in SP1d 9 velocity time graphs – P4.2.11 recall the value of SP1c 7 acceleration in free fall and calculate the magnitudes of everyday accelerations using suitable estimates of speeds and times P4.3 What is the connection between forces and motion? P4.3.1 describe examples of the SP2a 12, 13 forces acting on an isolated solid object or system P4.3.2 describe, using free body SP2a, SP9b 13, 134 The case of resultant forces diagrams, examples where several leading to equilibrium is forces lead to a resultant force on an covered before free body object and the special case of diagrams are introduces, in balanced forces (equilibrium) when the SP9b on p134 resultant force is zero qualitative only P4.3.3 use scale drawings of vector SP2c and e 22-23 diagrams to illustrate the addition of two or more forces, in situations when there is a net force, or equilibrium i Limited to parallel and perpendicular vectors only P4.3.4 recall and apply the equation SP2f 24-25 for momentum and describe examples of the conservation of momentum in collisions: momentum (kg m/s) = mass (kg) × velocity (m/s)
P4.2.6 a) recall and apply the relationship: acceleration (m/s2) = change in speed (m/s) ÷ time taken (s) b) explain how to use appropriate apparatus and techniques to investigate acceleration SP1c 6 P4.2.7 select and apply the relationship: (final speed (m/s))2 – (initial speed(m/s))2 = 2 × acceleration (m/s2) × distance (m) SP1c 7 P4.2.8 draw and use graphs of distances and speeds against time to determine the speeds and accelerations involved SP1b, SP1d 5, 8, 9 P4.2.9 interpret distance–time and velocity–time graphs, including relating the lines and slopes in such graphs to the motion represented SP1b, SP1d 5, 8,9 P4.2.10 interpret enclosed areas in velocity – time graphs SP1d 9 P4.2.11 recall the value of acceleration in free fall and calculate the magnitudes of everyday accelerations using suitable estimates of speeds and times SP1c 7 P4.3 What is the connection between forces and motion? P4.3.1 describe examples of the forces acting on an isolated solid object or system SP2a 12, 13 P4.3.2 describe, using free body diagrams, examples where several forces lead to a resultant force on an object and the special case of balanced forces (equilibrium) when the resultant force is zero qualitative only SP2a, SP9b 13, 134 The case of resultant forces leading to equilibrium is covered before free body diagrams are introduces, in SP9b on p134 P4.3.3 use scale drawings of vector diagrams to illustrate the addition of two or more forces, in situations when there is a net force, or equilibrium i Limited to parallel and perpendicular vectors only SP2c and e 22-23 P4.3.4 recall and apply the equation for momentum and describe examples of the conservation of momentum in collisions: momentum (kg m/s) = mass (kg) × velocity (m/s) SP2f 24-25