P2.2.2 - Free Body Diagrams Flashcards
1
Q
What is a free body diagram?
A
A diagram that shows the forces acting on a single object
2
Q
How do you represent the object in a free body diagram?
A
A simple dot
3
Q
How do you represent force on a free body diagram?
A
Force arrows
4
Q
What can you use free body diagrams for?
A
Predicting or explaining the motion of the object to do calculations
5
Q
What must you do before drawing a free body diagram?
A
Identify all the non-contact and contact pairs.
Focus on a simple object and then draw the forces based on that
6
Q
How do you find the resultant force?
A
You add the two opposite forces together
7
Q
How do you calculate the resultant force if forces are acting within 90 degrees of each other?
A
Pythagoras Theorem
8
Q
What is resultant force measured in?
A
Newtons
