- time 19. balance 20. 〖10〗^(-3) 21.smallest
- clock 23. 2 × 〖10〗^8 s 24. Mathematics 25. 3.17×〖10〗^7 26.〖10〗^41 27. 66
- longer 29. 〖10〗^(-3) 30.natural
) The SI unit for pressure is …….. .
(24) The total momentum of an …….. system is constant.
(25) The product of mass to velocity is ……… .
(26) The acceleration due to the gravitational force is called acceleration due to ……… .
(27) For free-fall motion, a body will fall onto the ground with constant ……… .
(28) At maximum height the final velocity is ……… .
(29) The moment of a force is a …….. quantity.
(30) The SI unit of the moment of force is ………. .