Welcome to the Knowledge Mouse Online Quiz
Chapter 12- Forces
| Questions |
Answers |
| A push or pull that acts on an object. |
force |
| SI unit for force. |
Newton |
| Overall force acting on an object when all forces are combined. |
net force |
| A force that opposes motion of objects that are in contact with each other. |
friction |
| The friction force that acts on objects that are not moving. |
static friction |
| The friction force that opposes the direction of motion as on object slides over a surface. |
sliding friction |
| The friction force that acts on rolling objects. |
rolling frictions |
