A simple tool for demonstrating Newton's First Law and the vector nature of force. The table top is 34cm in diameter and made of durable PVC with a write-on/wipe-off laminated surface. The top also has a dual scale, centering pole and plastic centering ring. The legs are removable so table can be easily stored.

• 3 high performance, low-friction pulleys with clamps
• 3 brass weight hangers, 50g capacity
• 3 slotted brass weight sets: each set has 2 x 5g, 2 x 10g, 2 x 20g, 2 x 50g
• 1 (200cm) spool of string
• 3 pieces of removable legs, 26cm high, easy to store