Forces 1 Flashcards
What is a force?
a force is a push or pull on an object caused by it interacting with another object
What can (unbalanced) forces do?
when an object experiences a force, it can:
- deform (change shape)
- change speed (move: acceleration, deceleration)
Contact or non-contact?
friction
contact
Contact or non-contact?
push/pull
contact
Contact or non-contact?
drag (water/air resistance)
contact
Contact or non-contact?
lift (force on wings that keep it up)
contact
Contact or non-contact?
upthrust (upward force exerted on object in liquid)
contact
Contact or non-contact?
normal contact force (force exerted on an object through contact with a solid)
contact
Contact or non-contact?
weight
non-contact
Contact or non-contact?
magnetism
non-contact
Contact or non-contact?
electrostatic
non-contact
Contact or non-contact?
tension (force in a string holding up a picture)
contact
Contact or non-contact?
thrust (propulsive force from an engine)
contact
What is weight?
weight is the force acting on an object due to gravity
What is weight measured in?
Newtons (N)
What is mass measured in?
kilograms (kg)