Lesson 3: Newton's Laws of Motion Flashcards
1
Q
a change in an object’s position over time
A
motion
2
Q
the object that appears to stay in place
A
reference point
3
Q
a measure of the distance an object moves in a given amount of time
A
speed
4
Q
a quantity that describes the speed of an object and its direction of travel.
A
velocity
5
Q
the rate at which velocity changes
A
acceleration
6
Q
the tendency of objects to resist any change in motion
A
inertia
7
Q
Newton’s first law of motion
A
law of inertia
8
Q
when the object’s acceleration is the same as the net force acting on the object
A
directly proportional
9
Q
when an object’s acceleration increases and the mass decreases
A
inversely proportional
10
Q
Newton’s third law of motion
A
action and reaction forces
