Podcast
Questions and Answers
Every object exerts a gravitational force on every other ______
Every object exerts a gravitational force on every other ______
object
Net force is the combination of all of the forces acting on an ______. Know how to determine net force!
Net force is the combination of all of the forces acting on an ______. Know how to determine net force!
object
Acceleration is a change in velocity’s rate. Acceleration is a change in speed or ______ (or both)
Acceleration is a change in velocity’s rate. Acceleration is a change in speed or ______ (or both)
direction
Deceleration is a decrease in ______. (Know what this looks like on a velocity/time graph)
Deceleration is a decrease in ______. (Know what this looks like on a velocity/time graph)
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For every action, there is an equal and opposite ______
For every action, there is an equal and opposite ______
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An object is in motion if its __________ changes (dependent on a reference point)
An object is in motion if its __________ changes (dependent on a reference point)
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Speed and velocity are measures of how fast an object moves; however, velocity includes a __________
Speed and velocity are measures of how fast an object moves; however, velocity includes a __________
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An object is in free fall if __________ is the only force acting on the object
An object is in free fall if __________ is the only force acting on the object
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Acceleration due to gravity is 9.8 m/s^2 (10 m/s^2). Assuming gravity is the only force acting on an object, ALL OBJECTS FALL AT THE SAME __________ (NOT NECESSARILY THE SAME SPEED)
Acceleration due to gravity is 9.8 m/s^2 (10 m/s^2). Assuming gravity is the only force acting on an object, ALL OBJECTS FALL AT THE SAME __________ (NOT NECESSARILY THE SAME SPEED)
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Mass does not change from location to location; however, __________ does (because of gravity)
Mass does not change from location to location; however, __________ does (because of gravity)
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Objects fall to Earth’s surface because of Earth’s large __________ (it’s really big!)
Objects fall to Earth’s surface because of Earth’s large __________ (it’s really big!)
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