Resolve a 50 N force acting at 30° above the horizontal into horizontal and vertical components.
From Paper 3, Higher
21 mark
Which quantity is a vector?
From Paper 3, Higher
43 marks
Explain why atmospheric pressure decreases with height.
From Paper 3, Higher
54 marks
A car of mass 1000 kg travelling at 20 m/s brakes to a stop in 4.0 s. Calculate the deceleration and braking force.
From Paper 3, Higher
74 marks
A 75 kg climber climbs 12 m in 40 s. Calculate the work done against gravity and the power output. (g = 9.8 N/kg)
From Paper 3, Higher
83 marks
A ball is thrown and travels 18 m horizontally in 1.2 s. Calculate its average horizontal speed and explain why the speed in this direction stays roughly constant.
From Paper 3, Higher
104 marks
Calculate the braking distance of a car of mass 1200 kg travelling at 25 m/s if the braking force is 7500 N.
From Paper 3, Higher
123 marks
Describe an experiment to investigate how force affects the acceleration of a trolley.
From Paper 3, Higher
143 marks
Explain inertia and why heavier vehicles need longer to stop.
From Paper 3, Higher
162 marks
A car's reaction time is 0.7 s at 20 m/s. Calculate the thinking distance.
From Paper 3, Higher
184 marks
Sketch and describe the velocity–time graph of a car that accelerates uniformly, travels at constant velocity and then decelerates uniformly.
From Paper 3, Higher
212 marks
Calculate the weight of a 65 kg object on Earth (g = 9.8 N/kg).
From Paper 3, Higher
222 marks
Calculate the average speed of a runner who travels 400 m in 50 s.
From Paper 3, Higher
262 marks
Calculate the weight of a 0.25 kg object on Earth (g = 9.8 N/kg).
From Paper 3, Higher
272 marks
Calculate the average speed of a runner who travels 3000 m in 600 s.
From Paper 3, Higher
312 marks
Calculate the work done when a force of 250 N moves an object 12 m in the direction of the force.
From Paper 3, Higher
322 marks
A car changes speed from 0 m/s to 24 m/s in 8 s. Calculate its acceleration.
Score 0 / 45 · 0 of 17 marked
This paper is written by Plasmo in the style of the OCR GCSE Physics exam. It is not a past paper and is not produced or endorsed by the exam board.