📚 GCSE WJEC Maths: Work and Energy Exam Focus | GCSE WJEC 数学：功和能量 考点精讲
In WJEC GCSE Maths, you will often encounter questions that use scientific formulas such as work, gravitational potential energy, and kinetic energy. These are not science tests – they are designed to assess your algebraic manipulation, unit conversion, and graphical interpretation skills. This revision guide will walk you through the key mathematical techniques you need for tackling work and energy problems confidently.
在 WJEC GCSE 数学考试中，你经常会遇到使用科学公式的题目，如做功、重力势能和动能。这并非科学测试——目的是考查你的代数变形、单位换算和图像分析能力。本复习指南将带你掌握解决功和能量问题所需的关键数学技巧。
1. Understanding Work Done | 理解做功
W = F x d
功等于力乘以在力的方向上移动的距离。W 为功 (J)，F 为力 (N)，d 为距离 (m)。
In GCSE maths questions, you are usually given two of these three quantities and asked to find the third. Always check the units – distance must be in metres. If you are given centimetres or kilometres, convert before substituting into the formula.
在 GCSE 数学题中
Published by TutorHao | GCSE Mathematics Revision Series | aleveler.com
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