P8 - Forces In Balance Flashcards
1
Q
What is a vector quantity?
A
It has both size (magnitude) and direction. Example: force, velocity
2
Q
What is a scalar quantity?
A
It only has size (no direction). Example: mass, temperature.
3
Q
What is the resultant force?
A
The overall force when all forces are added together.
4
Q
What is the centre of mass
A
The point where the mass of an object is thought to be concentrated
5
Q
What is the parallelogram of forces?
A
A method to find the resultant of two forces acting at an angle
6
Q
What is resolving forces?
A
Breaking one force into two forces at right angles(horizontal and vertical).
