Tubular Spring Scale 500 Grams - 5 Newtons Classroom Essential Charts Best-selling arrow cards feature a

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Tubular Spring Scale 500 Grams - 5 Newtons Classroom Essential Charts Best-selling arrow cards feature aThis double calibrated spring scale can be used for a mass activity (grams) or a forced activity (newtons). Clear plastic tube allows students to see how the scale works and to easily read mass in either grams or newtons. Spring scale can showcase Hooke's Law, a principle of physics that states that the force needed to extend or compress a spring by some distance is proportional to that distance. Spring scale is a must have asset that can be used for