Contact & Non contact Forces Flashcards
What are contact forces?
Forces that act between objects that are physically touching each other.
What are non-contact forces?
Forces that act between objects that are not physically touching when they interact.
What is tension?
A pulling force exerted by each end of an object.
What is friction?
A force that prevents movement and converts kinetic energy into heat.
What is thrust?
A force used to move an object forwards or upwards.
What is air resistance?
The force of friction produced when an object moves through the air.
What is the reaction force?
The force exerted in the opposite direction to an action force.
An object at rest experiences a _____________________.
reaction force
Newton’s Third Law of Motion:
When a ________________ acts between two objects, both objects ___________________________, but in ______________________.
contact force
experience the same size force
opposite directions
