10 forces and motion Flashcards
1
Q
What is equilibrium?
A
When all the forces acting on an object are balanced
2
Q
Which way round are i + j vectors?
A
i is the x direction, j is the y direction
3
Q
Which way round are Column vectors?
A
top is x direction, bottom is y direction
4
Q
What should you say to “describe the motion of the particle”?
A
The particle accelerates in the direction of the resultant force
5
Q
When are multiple particles considered as ‘one particle”
A
When connected by an in extendable rod or string
