Balanced And Unbalanced Forces And Vectors Flashcards
Name 5 types of forces
Friction Upthrust Tension Magnetism Electro-static
What are the 3 non-contact forces?
Magnetism
Gravity (weight)
Electro-static
State 3 effects of forces
Change of shape
Change of direction
Change of speed
What do air/water resistance and friction have in common?
They all oppose motion
What is a resultant force?
A single force that is a result of 2 or more forces acting on an object
How can resolving forces be found?
By splitting a single force into two parts
How can vectors be represented?
Using arrows
A scalar quantity has only _____________(size), such as distance, s_______, m___ and time
Magnitude
Speed
Mass
A vector quantity has both m__________ and d_________, such as force, d_______________, v_________ and acce__________
Magnitude Direction Displacement Velocity Acceleration
Give 4 examples of scalars
Time Speed Mass Temperature Distance Height
Give 2 examples of vectors
Displacement
Velocity
Forces
What 2 things do all vectors have on common?
Direction
Magnitude
What is a vector?
A quantity which has size and direction