Physics Tank Top — Staying Put Unless Moved (Cat Version) | Newton's Law

Our witty and educational "Staying Put Unless Moved" tank top humorously illustrates Newton's First Law of Motion, also known as the Law of Inertia, with a playful graphic of a lazy cat lounging on a couch.

Newton's First Law of Motion: This law states that an object at rest will stay at rest, and an object in motion will continue in motion at a constant velocity, unless acted upon by an external force. This principle, known as inertia, is a cornerstone of classical mechanics and helps explain why objects resist changes to their state of motion.

Celebrate science with this stylish tank top. Perfect for casual wear, classroom demonstrations, or as a gift for science enthusiasts!

Fit / Fabric / Construction

Unisex fit
100% ring-spun cotton: A lightweight, soft-style, breathable fabric
Seamless construction: Knit in one piece using tubular knit, reducing fabric waste and enhancing the garment's aesthetic
Ribbed knit collar: Offers high elasticity and helps the collar retain its shape
Shoulder tape: Twill tape reinforces the shoulder seams to stabilize the back of the garment and prevent stretching

Care Instructions

Machine wash - warm (max 40C or 105F)
Tumble dry - low heat
Iron, steam or dry - low heat
Don't bleach or dry clean

Shipping / Returns

Free standard shipping in the United States.
Made to order: please allow 3–5 business days for production.
U.S. delivery: typically 7–10 business days after production.
International delivery: typically 10–20 business days after production; customs processing may add time.
Returns: request a return within 30 days of delivery for eligible unworn, unused items. Gift cards and personalized items are not returnable. Read our Return Policy.