The essential study and revision guide for AS Physics, revised for the 2015 AQA specification. Topics 4 and 5 Mechanics and materials, Electricity.Checked by AQA examiners, this is a revised and updated edition of Collins Student Support Materials for AQA. It fully supports the 2015 AQA AS and A-level Year 1 Physics specification sections 4 and 5.Use as a study guide or revision guide to ensure success in your exam.• Tackle new-style written exam questions with guidance on practical and mathematical skills• Avoid common mistakes and get advice on exams with Exam Notes• Focus on just the content you need with Essential Notes• Memorise terminology for required practicals and mathematical and Working Scientifically aspects• Practise exam-style questions