Question

Have you ever noticed that objects have a
tendency to resist changes in motion and just
continue what they are doing? This is called
(4)_____. All objects follow the same rule about
changing motion – an object in motion stays in
motion unless acted upon by an unbalanced force –
or (5)______. When we talk about (6)_____, or a
push or a pull on an object, we tend to talk a lot
about one force in particular. (7)_____ is the
downward pull of the Earth on objects. If you study
the science of movement, then you are studying
the field of (8)_____.

Answer 1

Answer:

4- inertia

5- external force

6- work

7- gravity

8- dynamics ( kinetics )

Answer 2

Answer:(4) inertia

Explanation:because