forces Flashcards
1
Q
What is a force?
A
A push or pull that acts on an object due to its interaction with another object.
2
Q
3 examples of contact forces?
A
air resistance
tension
normal contact force
friction
3
Q
3 examples of non-contact forces?
A
electrostatic- charghed objects- attratctive or repulsive.
magnetic- either attractive or repulsive
gravatational- a force between two objects that have mass
4
Q
What is gravity
A
attracts all masses
surface of planet gives everything a weight
make things fall towards ground.
5
Q
what is a resultant force?
A
overall force on anobject
6
Q
what is equilibrium?
A
no resultant force acting on it
