Fill in the blanks:
(1) The tendency of a body to resist acceleration is called …………….. .
(2) In the SI system, ……………. is the unit of force.
(3) In a collision …………… is always conserved.
(4) The motion of rocket is based on Newton’s …………… law of motion.
(5) An …………… force acting on an object brings it in motion.
(1) The tendency of a body to resist acceleration is called inertia.
(2) In the SI system, Newton is the unit of force.
(3) In a collision momentum is always conserved.
(4) The motion of rocket is based on Newton’s third law of motion.
(5) An unbalanced force acting on an object brings it in motion.