Horizontal axis A1 1.1b labelled correctly. (3) 6b Makes an attempt to find the area of trapezoidal section where M1 1.1b 4th the car is decelerating. For example,is seen. Calculate and interpret Makes an attempt to find the area of the trapezoidal section M1 1.1b under where the car is accelerating. For example,is seen. graphs. States that M1 1.1b Solves to find the value of = 30 (s). A1 1.1b T: T (4) (7 marks) 6a Accept the horizontal axis labelled with the correct intervals. 6b Award full marks for correct final answer, even if some work is missing. Pearson Progression Step Q Scheme Marks AOs and Progress descriptor States, or implies in a subsequent step, that the resistances to M1 3.1b 7a 4th motion will total 1600k (N). (Any variable is acceptable.) Solve problems of connected Uses = to write M1 3.3 F ma particles in one Solves the equation to find = 1.6 A1 1.1b k dimension. Finds the resistance forces acting on the trailer:(N). A1 1.1b (4) Demonstrates an understanding that the resultant force for the M1 3.1b 7b 4th trailer is 640, or for the car is 3200 1920 T – – – T Solve problems of Either states using the trailer or states using the car. 3.3 connected M1 particles in one Correctly finds = 800 (N). A1 ft 1.1b T dimension. (3)
Horizontal axis labelled correctly. A1 1.1b (3) 6b Makes an attempt to find the area of trapezoidal section where the car is decelerating. For example,is seen. M1 1.1b 4th Calculate and interpret under graphs. Makes an attempt to find the area of the trapezoidal section where the car is accelerating. For example,is seen. M1 1.1b States that M1 1.1b Solves to find the value of T: T = 30 (s). A1 1.1b (4) (7 marks) 6a Accept the horizontal axis labelled with the correct intervals. 6b Award full marks for correct final answer, even if some work is missing. Q Scheme Marks AOs Pearson Progression Step and Progress descriptor 7a States, or implies in a subsequent step, that the resistances to motion will total 1600k (N). (Any variable is acceptable.) M1 3.1b 4th Solve problems of connected particles in one dimension. Uses F = ma to write M1 3.3 Solves the equation to find k = 1.6 A1 1.1b Finds the resistance forces acting on the trailer:(N). A1 1.1b (4) 7b Demonstrates an understanding that the resultant force for the trailer is T – 640, or for the car is 3200 – 1920 – T M1 3.1b 4th Solve problems of connected particles in one dimension. Either states using the trailer or states using the car. M1 3.3 Correctly finds T = 800 (N). A1 ft 1.1b (3)