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This set includes a friction block and a friction board, both made of high quality, smoothly finished pine wood. The friction block has a hook for a spring scale and three compartments for additional weights. It can be placed face-up or sideways. Students can vary the weight or area of contact to test their impact on the frictional force. The set comes with three 50g weights and a 100g spring scale. The board is 20" x 2" and the block is 4" x 1.5" x 1". Includes an activity guide Shipping weight: 1.1 Lbs., Dimensions: 20" x 2.25" x 2".
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🇺🇸 Ship from USA · On Agora since 2024
$43.35