Why are heavy things hard to push?
The same person nudges a chair and a couch. One jumps forward; one barely changes speed. What resists?
Talk about it
- The same person nudges a chair and a couch. One jumps forward; one barely changes speed. What resists?
- Before the reveal, ask: “Which cart gains speed faster?”
- Afterward, ask the child to point to the cause and the measured result.