Vector addition of forces.Two spring scales and two 50 g weights are used to demonstrate vector addition of forces. For the smaller angle between the scales (as in this image), each scale measures about 55 g. When the angle is increased (as in image BR6218), each scale's reading is increased to about 58 g. Photo 1 of 2. This series includes images BR6217 and BR6218.

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TOP22293400

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達志影像

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RM

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須由TPG 完整授權

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