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- 1. Multiple ChoiceA change in an object's position is called ______.SpeedMotionVelocityFriction
- 2. Multiple Choice
If an external force is applied to an object, the object's velocity will change because of the force.
True
False
- 3. Multiple Choice
The tendency of an object to resist change in motion is called......
Force
Motion
Friction
Inertia
- 4. Multiple Choice
Objects with more mass, or that we call 'heavier,' have LESS inertia.
True
False
- 5. Multiple Choice
____ is a force that occurs when the surfaces of two objects rub together.
Motion
Friction
Velocity
Speed
- 6. Multiple ChoiceFriction can make a moving object slow down or stop.TrueFalse
- 7. Multiple Choice_____ is an object’s speed in a given direction.FrictionMotionSpeedVelocity
- 8. Multiple ChoiceScalar quantity has ____.magnitude (size)magnitude and direction
- 9. Multiple ChoiceVector quantity has magnitude (size) and direction.TrueFalse
- 10. Multiple ChoiceAn object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.Newton's First Law of MotionNewton's Second Law of MotionNewton's Third Law of MotionNewton's Fourth Law of Motion
- 11. Multiple Choice
This is also called the Law of Inertia.
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Newton's Fourth Law of Motion
- 12. Multiple Choice
Objects with more mass (or that we call 'heavier') have a greater gravitational pull.
True
False
- 13. Multiple Choice
Objects with more mass (or heavier) have more inertia; thus, these are EASIER to move or stop.
True
False
- 14. Multiple Choice
____ means that an object in motion will stay in motion in the same direction, or it will stay at rest, unless a nonzero net force acts upon it.
Inertia
Friction
Motion
Gravity
- 15. Multiple ChoiceWhat is the definition of "weight"?measure of the force of gravity on your bodythe time it takes to get on a ridethe amount of matter in an objectthe size of an object
- 16. Multiple ChoiceA measure of how much matter an object has is--weightgravitymassvolume
- 17. Multiple ChoiceOn which celestial object would you weigh the most?EarthJupiterSunYou would weigh the same on all celestial objects
- 18. Multiple Choice
On which celestial object (outer space) would your mass be the greatest?
Earth
Jupiter
Sun
Your mass doesn't change on different celestial objects
- 19. Multiple ChoiceIf an object has more mass, then it willweigh more.weigh less.weigh the same as an object with less mass.always have more volume than an object with less mass.
- 20. Multiple Choice
Which of the following is the best example of Newton's First Law of Motion?
Jessica's body flies forward after she hits the brakes
Jessica drives a car
Jessica is at a road crossing
Jessica is sleeping
- 21. Multiple ChoiceWhat is the unit of measurement for force?AMPSecondsNewtonsMiles
- 22. Multiple Choice
Before the 1500's people thought the natural state of objects was to be at rest and a push or pull was necessary to set them in motion.
false
true
- 23. Multiple Choice
Aristotle thought that the earth moved around the sun.
True
False
- 24. Multiple Choice
An instrument used by astronauts on the moon WEIGHS 2.50 lbs on Earth. What is the mass of the instrument on the moon if the moon's gravity is 1/6th that of the Earth?
mass = 1/6 x 2.50 lb = 0.427 kg
mass = 1/6 x 2.50 lb x 1 kg/2.2lb = 0.19 kg
mass = 9.8 m/s2 x 2.50 lb = 24.5 kg
mass = 2.50 lb x 1 kg/2.2lb = 1.14 kg
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