Science 3.Forces Flashcards
1
Q
Definition of upthrust
A
A force created by liquids pushing up on an object. It help fishes and boats float.
2
Q
Definition of air resistance
A
A forces that acts on an object moving through air due to particles in the atmosphere.
3
Q
Definition of weight
A
Weight= mass x gravity
Weight (N) mass (Kg)
Gravity (N/Kg)
4
Q
Definition of static
A
Build up of charge from friction.
5
Q
Definition of friction
A
The force generated when two surfaces rub against each other.
6
Q
Definition of magnetic
A
A material that exerts a magnetc field force.
7
Q
Definition of contact
A
A type of force which needs to touch something to affect it.
8
Q
What are forces measured in?
A
Newtons (N)
9
Q
What equipment do you use to measure forces
A
Newton meter
