pt.1 Flashcards
what is structure? explain and give an example.
something built/arranged according to a plan or organization (building)
what is product? explain and give an example.
something manufactured/modified for sale to meet a need (ball)
what is tool? explain and give an example.
a small, often hand held object used to carry out a specific job/function (axe)
what is machine? explain and give an example.
a structure built with several parts with a particular function that increases/uses mechanical power (computer)
What is a system? explain and give an example.
A organized structure with many components to produce a purpose. (a school)
physical non-mechanical
a system that is physically enforced in an environment ( school building )
social/non-mechanical system
a system that is enforced in an environment (school rules)
gravitational field strength on the moon?
1.6
gravitational field strength on earth?
9.8
gravitational field strength on mars?
3.2
gravitational field strength on jupiter?
22.8
what kind of force is gravity? (give example)
pull force, action at a distance.
what kind of force is friction?
pull, contact force.
what is static electricity?
action at a distance force, push/pull force
what is friction?
contact force
