力的七种应用
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所属专题
Pearson Maths A level Statistics and Mechanics 2
Pearson Maths A level Statistics and Mechanics 2
Pearson Maths A level Statistics and Mechanics 2
①本范例演示了力的七种应用相关的几何图形现象;②涉及的核心数学概念包括内切圆、乘法、方差、多边形、交点等;③作图要点提炼自构造摘要,使用了Point(点)、Segment(线段)、Rotate(旋转)、Sequence(序列)、Angle(角度)、Line(直线)、OrthogonalLine(垂线)、Length(长度)、Intersect(交点)、Vector(向量)、Midpoint(中点)等GeoGebra命令/对象;④适合高中及以上数学学习者和教师用于教学演示和几何作图练习。
GeoGebra 命令及参数
Point(s_1) → DSegment(D, A_1) → hPoint(h) → URotate(A_1, θ, D) → B_1Segment(D, B_1) → sPoint(s) → BSegment(U, C) → aSequence(Segment[(-100, i), (100, i)], i, -50, 50, 1) → list2Sequence(Segment[(i, -100), (i, 100)], i, -50, 50, 1) → list4Angle(A_1, D, B_1) → θ_1Line(D, A_1) → fLine(D, B_1) → gOrthogonalLine(R_1, s) → jOrthogonalLine(G, s) → mPoint(m) → EPoint(m) → FLine(L, s) → iLength(a) → a_{1}Point(i) → NOrthogonalLine(B, h) → lIntersect(l, h) → OAngle(B, O, A) → αPoint(s) → C_2Point(h) → HVector(H, R) → uPoint(Circle[B, 2]) → PSegment(B, P) → kSegment(H, R) → nSegment(B, P) → pMidpoint(A, B) → ISegment(I, J) → qSegment(C, S) → tIntersect(θ_1, f, 1) → TSegment(I, B) → bSegment(U, I) → cSegment(I, B) → dLength(b) → b_{1}Length(c) → c_{1}Length(d) → d_{1}Segment(U, B) → eSegment(U, O) → f_1Segment(O, B) → g_1Point(h) → VVector(A, V) → v