Force

:(

force

• push or pull on an object

• objects interaction with another object

• only exist because of interactions

• measured in newton

force formula

• F = m ⋅ a→

• F = force

• m = mass (kg)

• a→ = acceleration (m/s²)

non contact

when two interacting objects are not in physical contact that can still exert push or pull

types of non contact

• gravitiational

• nuclear

• electromagnetic

contact

two interacting objects are perceived to be physically contacting each other

types of contact 

• friction

• air resistance

• tension

• applied

• spring

• normal

resultant force

single force that describes all of the forces operating on a body (single force representing combined effect of all forces acting on an object)

resultant force determinations

• magnitude of the net force experienced by the object

• direction in which the object will move due to all of the forces

balanced

• two or more equal forces acting in opposite directions

• net force of zero

unbalanced

• net force acting on an object is not zero

• object changes its state of motion

unbalanced motions

• accelerating

• decelerating

• speeding up

• slowing down

• changing direction