Quiz 3 Study Guide Flashcards
____________________ forces are opposing forces which prevent work form being done.
Balanced
Two objects rubbing against each other is an example of ___________________.
friction
A ______________________ is when two objects bump into each other.
collision
Like poles of a magnet _______________.
repel
An object in motion will move in a ________________ line at a constant speed unless acted upon by an unbalanced force.
straight
Opposite poles of a magnet ___________________.
attract
______________________ was the scientist who discovered the laws of motion.
Sir Isaac Newton
Mass, speed, and direction are all part of an object’s moving _______________________.
energy
An object at rest will __________ _____ ___________ unless acted upon by an unbalanced force.
stay at rest
A ______________ is the push or pull on an object.
force
The property of matter that makes it resist a change in motion is called __________________.
inertia
A force that works against motion along a surface is called _________________.
friction
The greater the ____________ of an object, the more inertia it has.
mass
When something has been moved, _________________ has happened.
work
