A 1200 kg car travelling at 25 m s⁻¹ brakes uniformly and stops in 40 m. Calculate the deceleration, the stopping time and the braking force.
From Paper 1
4(b)4 marks
A uniform 4.0 m plank of weight 200 N rests on supports at each end. A person of weight 500 N stands 1.0 m from the left end. Calculate the force from each support.
From Paper 1
4(c)3 marks
Explain why a skydiver reaches a terminal velocity.
From Paper 1
5(a)4 marks
Describe how to determine the Young modulus of copper using a long wire.
From Paper 1
5(b)3 marks
A copper wire of length 2.5 m and diameter 0.40 mm extends by 6.6 mm under a load of 40 N. Calculate the Young modulus.
From Paper 1
201 mark
A ball is thrown horizontally at 12 m s⁻¹ from a height of 20 m. How far does it travel horizontally before landing?
From Paper 1
211 mark
A 2.0 kg trolley at 3.0 m s⁻¹ collides with and sticks to a stationary 1.0 kg trolley. What is their final speed?
From Paper 1
221 mark
A 50 kg mass is lifted 4.0 m in 8.0 s. What is the useful power?
From Paper 1
231 mark
A spring obeying Hooke's law stretches 0.040 m under a 20 N force. How much elastic energy is stored?
Score 0 / 22 · 0 of 9 marked
This paper is written by Plasmo in the style of the AQA A-Level Physics exam. It is not a past paper and is not produced or endorsed by the exam board.
Mechanics and materials Exam Questions: AQA A-Level Physics | Plasmo