{"product_id":"slotted-weights-10-x-10g-with-hanger","title":"Slotted Weights 10 x 10g with Hanger","description":"\u003ch2\u003eTen 10g slotted masses and the hanger to put them on\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003e10 x 10g nickel-plated iron slotted weights plus a weight hanger with a hook. $20.00.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eSlotted weights are how you make a variable hanging mass. The slot lets each disc drop onto the hanger stem without unthreading anything, so a student changes the load in seconds during an experiment rather than between them.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat they are for.\u003c\/strong\u003e Hooke's Law with springs, force and acceleration work, pulley systems, moments on a metre rule - anything where the load needs to change in known steps. Ten grams is a fine enough step for a school spring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOne thing to check yourself.\u003c\/strong\u003e The supplier does not publish the mass of the hanger. In an experiment where the total hanging mass matters, weigh the hanger once on a balance and add it in - do not assume it is zero or a round number. We have asked them for the figure.\u003c\/p\u003e\u003cp\u003eNickel-plated iron, so they resist rust better than bare steel and stand up to being dropped. Springs, pulleys and clamps are sold separately.\u003c\/p\u003e","brand":"Educational Vantage","offers":[{"title":"Default Title","offer_id":53793070645611,"sku":"EVNK1118","price":20.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/2795\/8891\/files\/nk1118_slotted-weights-10-x-10-grams.webp?v=1788358436","url":"https:\/\/megaofficesupplies.com.au\/products\/slotted-weights-10-x-10g-with-hanger","provider":"Mega Office Supplies","version":"1.0","type":"link"}