Quiz 3 (3.1-3.3) Flashcards
Balance forces are opposing forces, which ______.
Do work
Move things
Prevent Work from being done
Prevent Work from being done
An example of friction is _______.
The attraction of metal to a magnet
The force that draws objects to the Earth
Two objects rubbing against each other
Two objects rubbing against each other
A ______ is when two objects bump into each other.
Attraction
Collision
Force
Collision
Like poles of a magnet _____.
Attract
Repel
Rest
Repel
An object in motion will _____ unless acted upon by an unbalanced force.
*Move in a straight line at a constant speed
*Move in a straight line while decreasing speed.
*Move in a straight line while increasing speed.
Move in a straight line at a constant speed
Opposite poles of a magnet _____.
Attract
Repel
Rub
Attract
______ what is the scientist who discovered the laws of motion.
Benjamin Franklin
Sir Francis bacon
Sir Isaac newton
Sir Isaac newton
Mass, speed, direction are all part of an objects moving _____.
Energy
Gravity
Matter
Energy
An object at rest will _____ unless acted upon by an unbalanced force.
Slow down
Speed up
Stay at rest
Stay at rest
A ______ is the push or the pull on an object.
Force
Friction
Mass
Work
Force
The property of matter that makes it resist a change in motion is called ______.
Force
Friction
Intertia
Mass
Motion
Interia
A force that works against motion along a surface is called _______.
Force
Friction
Work
Motion
Mass
Friction
The greater the ______ of an object, the more inertia it has.
Work
Mass
Friction
Force
Interia
Mass
When something has been moved, _____ has happened?
Force
Mass
Friction
Interia
Work
Work
Which has more inertia?
elephant
mouse
Elephant
