Saved Bookmarks
| 1. |
a tennis ball is firstly applied with force F1 to produce an acceleration of 5m/S2. then it is applied force F2 to produce an acceleration of 10m/S2 find the ratio of F1 and F2 |
|
Answer» ong>Answer: F1/F2=1/2 Explanation: HERE MASS OF THE BALL IS CONSTANT(SAME) IN BOTH CASES F1=MA F2=MA NOW SUBSTITUTING VALUES F1=M5 F2=M10 NOW TO FIND THE RATION WE NEED TO DIVIDE F1/F2 WE CAN ALSO DIVIDE M5/M10 AS F1 AND F2 ARE EQUAL TO M5 AND M10 RESPECTIVELY NOW M5/M10 AS MASS IS CONSTANT WE CAN CANCEL 5/10= 1/2 HENCE F1/F2=1/2 |
|