Reading...
Play button
Play button
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;
13 Cards in this Set
- Front
- Back
|
What is a force
|
A push or pull in a certain direction
|
|
|
What does the SI unit measure force in
|
Newtons (N)
|
|
|
What are balanced forces
|
Forces that are equal and opposite (no motion)
|
|
|
What are unbalanced forces
|
Forces that are unequal or unbalanced ***the object will move in the direction of the net force***
|
|
|
What is friction
|
The force that opposes motion
|
|
|
What are the four types of friction
|
Static; Sliding; Rolling; and Fluid
|
|
|
What is static friction
|
Friction between two objects that aren't moving
|
|
|
What does static mean
|
Not moving
|
|
|
What is sliding friction
|
Friction that occurs when two surfaces are moving past each other
|
|
|
What is rolling friction
|
Friction that involves wheels
|
|
|
Which is greater sliding or rolling friction
|
Sliding
|
|
|
What is fluid friction
|
Friction that involves either a liquid or a gas ***reduces the amount of friction***
|
|
|
What is an example of fluid friction reducing the amount of friction
|
You can move a boat on water, but not on land
|
