Get premium membership and access revision papers with marking schemes, video lessons and live classes.
Processing. Please wait.

 Form 3 Physics Newton's laws of motion questions and answers

A trolley is moving at a uniform speed along a track. A piece of plasticine is dropped on the trolley and sticks on it. Explain why the trolley slows down.

 (2m 22s)
1252 Views     SHARE

Answer Text:
- Plasticine increases weight/mass of the trolley since momentum is conserved or remains constant, velocity reduces.