Saved Bookmarks
| 1. |
A truck starts from rest and rolls down on a hill with a constant acceleration it travel a distance of 400m in 20 sec find its acceleration. Find the force acting on it if it's mass is 7 tonnes(1 tonne=1000kg) |
|
Answer» Here U = 0 s = ut + 1/2 at² = 1/2 at² 400 = 1/2 a * 400 a = 2 m/s² F = ma = 7 * 1000 * 2 = 14000 N |
|