{"product_id":"springald-hooke-s-law-physics-mug","title":"Springald – Hooke’s Law Physics Mug","description":"\u003cp\u003eWhy does a spring return home? Springald stretches and snaps back. Hooke’s law, F = −kx, says the restoring force grows in proportion to the displacement and points the other way. It holds within the elastic limit; stretch too far and the spring deforms permanently. Pixel-art black ceramic mug in 11 or 15 oz; equation, symbols and sources in the physics panel below.\u003c\/p\u003e","brand":"Printify","offers":[{"title":"11oz","offer_id":50420028670055,"sku":"57000550417693298723","price":21.99,"currency_code":"USD","in_stock":true},{"title":"15oz","offer_id":50420028702823,"sku":"68957409090116504344","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/8746\/9159\/files\/springald_closeup_2400.png?v=1791690159","url":"https:\/\/pixelatedphysics.com\/products\/springald-hooke-s-law-physics-mug","provider":"Pixelated Physics","version":"1.0","type":"link"}