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Ch 3 Test Review
Integrated Science Chapter 3 Motion Test Review
| Question | Answer |
|---|---|
| 1. The phrase “to every action there is an equal and opposite reaction” is ______. | Newton's third law of motion |
| 2. The largest velocity reached by a falling object is its ______. | terminal velocity |
| 3. An object at rest on the surface of the Earth is experiencing zero ______. | net force |
| 4. When an object moves in a circle, ______ acts to accelerate the object toward the center of that circle. | centripetal acceleration |
| 5. When a car travels around a curve in the road, ______ helps to keep the car traveling in a curved path. | centripetal force |
| 6. The force exerted by air on a moving object is called ______. | air resistance |
| 7. A net force acting on an object causes the object to accelerate in the direction of the force; this is ______. | Newton's second law of motion |
| 8. A property of a moving object resulting from its mass and velocity is______. | momentum |
| 9. According to the ______, when a bowling ball strikes the pins, the momentum lost by the bowling ball is equal to the momentum gained by the pins. | conservation of momentum |
| 10.______ is the force that every object in the universe exerts on every other object. | gravity |
| 11.An object’s ______ is the measure of the force of gravity on that object. | weight |
| 12. The amount of gravitational force between two objects depends on their masses and the ______ between them. | distance |
| 13.Weight is measured in units called ______, while mass is measured in units called grams and kilograms. | newtons |
| 14. Two surfaces that are not moving past each other have ______. | static friction |
| 15. ______ causes a box you are pushing across the floor to stop when you stop pushing. | sliding friction |