11 Questions
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!
object
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)
speed
For every action, there is an equal and opposite ______
reaction
An object is in motion if its __________ changes (dependent on a reference point)
position
Speed and velocity are measures of how fast an object moves; however, velocity includes a __________
direction
An object is in free fall if __________ is the only force acting on the object
gravity
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
Mass does not change from location to location; however, __________ does (because of gravity)
weight
Objects fall to Earth’s surface because of Earth’s large __________ (it’s really big!)
mass
Test your understanding of motion formulas and concepts such as speed, velocity, acceleration, force, and more. Learn about the relationship between unbalanced forces, object motion, speed, and velocity. Explore the difference between speed and velocity in relation to direction.
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