Forces Glossary
Completion requirements
Pori drwy'r eirfa gan ddefnyddio'r mynegai hwn
Arbennig | A | B | C | CH | D | DD | E | F | FF | G | NG | H | I | L | LL | M | N | O | P | PH | R | RH | S | T | TH | U | W | Y | Y CYFAN
R
RadiusDistance from the centre of a circle to the moving object. | |
ReboundMotion away from a collision in the opposite direction to the object's initial motion. | |
RecoilMotion in one direction resulting from momentum being carried in the opposite direction. | |
Reference frameThe coordinate system relative to which motion is measured. | |
ResistanceOpposing motion or an applied force. | |
Resolving a forceSeparating a force into perpendicular components. | |
Restoring forceA force that acts toward an object's equilibrium position. | |
Resultant forceThe single force that has the same overall effect as several combined forces. | |
RevolutionOne complete trip around a circular path. | |