The point beyond which force is no longer proportional to extension is the:
From Paper 2: Advanced Physics II
21 mark
As the temperature of most liquids increases, their viscosity:
From Paper 2: Advanced Physics II
31 mark
Upthrust on an object in a fluid equals:
From Paper 2: Advanced Physics II
11(a)4 marks
A steel ball of radius 1.0 mm (density 7800 kg m⁻³) falls through oil (density 900 kg m⁻³) at a terminal velocity of 0.042 m s⁻¹. Calculate the viscosity of the oil.
From Paper 2: Advanced Physics II
11(b)*6 marks
Describe how to determine the viscosity of a liquid using a falling-ball method. Include how you would ensure the ball has reached terminal velocity.
From Paper 2: Advanced Physics II
11(c)3 marks
Explain the difference between elastic and plastic deformation, and between ductile and brittle materials.
From Paper 3: General and Practical Principles in Physics
9(a)4 marks
A 70 kg bungee jumper falls 20 m before the cord becomes taut. The cord has stiffness 180 N m⁻¹. Calculate the maximum extension of the cord.
From Paper 3: General and Practical Principles in Physics
9(b)3 marks
Calculate the jumper's acceleration at the lowest point.
Score 0 / 23 · 0 of 8 marked
This paper is written by Plasmo in the style of the Edexcel A-Level Physics exam. It is not a past paper and is not produced or endorsed by the exam board.