Pearson Edexcel International GCSE
Physics — Year 10 Paper 1
Sports day · mixed Topics 1–5
Time allowed: 40 minutes
Total marks: 25
Candidate name:
Centre / class:
Answer all questions. You may use a calculator. Take $g = 10\,\text{N/kg}$. Show your working. This paper samples Topics 1–5 (Double Award only).
1
Topic 1 A teacher pushes a $80\,\text{kg}$ trolley of sports kit. The driving force is $240\,\text{N}$ and friction is $80\,\text{N}$.
(a) Calculate the resultant force on the trolley.
[2]
(b) Calculate the acceleration of the trolley.
[3]
(Total for Question 1 = 5 marks)
2
Topic 2 An electric kettle used in the sports hall is labelled $230\,\text{V}$, $920\,\text{W}$.
(a) Calculate the current in the kettle.
[2]
(b) Choose the most appropriate fuse ($3\,\text{A}$, $5\,\text{A}$ or $13\,\text{A}$) and explain your choice.
[3]
(Total for Question 2 = 5 marks)
3
Topic 3 A starting pistol produces a sound wave in air. The frequency is $680\,\text{Hz}$ and the wavelength is $0.50\,\text{m}$.
(a) Calculate the speed of the sound wave.
[2]
(b) State whether sound is longitudinal or transverse, and explain how the particles of air move compared with the direction the wave travels.
[3]
(Total for Question 3 = 5 marks)
4
Topic 4 A high jumper of mass $60\,\text{kg}$ raises her centre of mass by $1.2\,\text{m}$.
(a) Calculate the increase in gravitational potential energy.
[2]
(b) The jumper’s muscles transfer $1440\,\text{J}$ of energy. Calculate the efficiency of this transfer and state one store that the wasted energy is transferred to.
[3]
(Total for Question 4 = 5 marks)
5
Topic 5 A full drinks bottle has mass $0.54\,\text{kg}$ and volume $5.0\times 10^{-4}\,\text{m}^3$.
(a) Calculate the density of the contents. Give the unit.
[3]
(b) The bottle stands on a bench. The area of the base is $3.0\times 10^{-3}\,\text{m}^2$. Calculate the pressure on the bench due to the weight of the full bottle.
[2]
(Total for Question 5 = 5 marks)
END OF PAPER 1 — Sports day