Application of forces and transfer of energy Flashcards
1
Q
Friction?
A
A force that opposes motion between two surfaces in contact
2
Q
Elastic force?
A
The force acting on a stretched or compressed elastic object to return to its original shape.
3
Q
Gravitational force?
A
A force that attracts two objects towards each other
4
Q
Magnetic force?
A
A force exerted between a magnet and another magnetic material such as iron or steel
5
Q
SI unit for weight and force?
A
Newton (N)
6
Q
Formula for pressure
A
Force/Area
