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pul-out piece spring spring junior high school physics experimental apparatus mechanics science and education instrument teaching aids primary school science

pul-out piece spring spring junior high school physics experimental apparatus mechanics science and education instrument teaching aids primary school science

压簧弹簧 初高中物理实验器材 力学科教仪器教具小学科学

  • EXW Price: Min. order:
    ¥3.9
    ≥2/piece
    ¥3.7
    ≥50/piece
    ¥3.5
    ≥100/piece
    • 2 piece
  • Exchage Rate 1 CNY ≈ 0.142 USD
  • Weight 0.5 kg/piece
  • Item No. 29002
  • Stock num 998 piece
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青华科教仪器有限公司

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  • Description

Packaging information

CTN Size: 37 × 37 × 32 cm

G.W./CTN:3 kg

QTY/CTN:100 piece/carton

注意：下单时需要确认交货时间！

弹簧的受力是两端同时受力，大小相等方向相反，即同为拉或同为压。

当弹簧的一端的物体被固定在空中时，弹簧受力为MG，放开后物体和弹簧开始下落，弹簧受力开始缓慢减少，直到为零，但不会一直为零，由于惯性，两个物体会继续做相对运动，弹簧受力开始增加，到达一定量后有开始减少，原理就是弹簧的往复震荡......

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Update time：20241214142155


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