| Question | Answer |
|---|---|
| An object at rest will stay in rest and an object in motion tend to stay at a constant velocity unless acted upon by an unbalanced force. What is this called? | Newton's First Law of Motion |
| A force that resists movement between two forces. | friction |
| An object's tendency to resist a change in motion. | inertia |
| The more ________ something has the greater the inertia | mass |
| For every action there is any equal and opposite reaction. What is this called? | Newton's Third Law of Motion |
| Force=Mass x Acceleration | Newton's Second Law of Motion |
| Acceleration increases if the ________ increases. | force |
| Acceleration _____________ if the mass increases. | decreases |
| A train has more momentum than a truck traveling at the same speed because the train has more __________. | mass |
| The second object's push back on the first is known as a(n) ____________ force. | reaction |
| Astronauts experience weightlessness because they do not seem to feel the force of __________. | gravity |
| Objects that experience no detectable gravitational pull have ________ weightlessness. | true |
| The initial push or pull of one object on another object. | action force |
