Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
|
Force |
A push or pull |
|
|
Newton (N) |
The metric units for force (spring scale) |
|
|
Net force |
The total force acting on an object (same direction=add) (opposite direction=subtract) |
|
|
Balanced forces |
Do not change the motion of an object (net force=0) |
|
|
Unbalanced forces |
Change the motion of an object |
|
|
Gravity |
The attractive force that exists between all objects (pulls down on earth) |
|
|
Weight |
The force due to gravity on an object (weight is relative/changes based on where you're standing) |
|
|
Friction |
A force that resists motion between two surfaces that are touching (makes heat) |
|
|
Tension |
A force that is transmitted through a rope, string or wire when pulled by forces acting from opposite sides |
|
|
How do you measure force? |
Newtons (N) |
|
|
How do you measure mass? |
Kilograms (kg) |
|
|
How do you measure acceleration? |
m/s² (meters per second squared) |
