5.2 - Forces in equilibrium Flashcards
1
Q
What does Newton’s first law state?
A
That an object will remain in a state of rest or continue to move at a constant velocity unless acted upon by a resultant external force
2
Q
When a number of forces act on a body and the vector sum of these forces is zero, what do we say the body is in a state of?
A
Equilibrium
3
Q
What does this mean the resultant force on the body is equal to?
A
Zero
4
Q
How can objects in equilibrium be represented on paper?
A
As a free-body force diagram
5
Q
How do you determine if the body is in equilibrium?
A
By resolving each force into components, and seeing if both the resultant vertical and horizontal forces equal zero
