Show:
Motion
Motion I
Motion II
Newton's First Law
Newton's Second Law
100
Motion is a change in __________ .
What is position?
100
___________ --displacement divided by time, or v=displacement/time.
What is velocity?
100
Acceleration is final speed minus initial speed divided by _________, or acceleration = (final speed-itinial speed)/time.
What is time?
100
Laws of _________ are sets of rules first stated by Isaac Newton.
What is motion?
100
Second law of motion--an object acted on by an unbalanced force will ___________ in the direction of the force.
What is accelerate?
200
The distance and direction between starting and stopping positions is _____________.
What is displacement?
200
Formula calculates __________ velocity.
What is average?
200
Initial speed is _________ for objects at rest.
What is zero?
200
_________ --a push or pull with a size and direction.
What is force?
200
Second law can also be used to find _______ if mass and acceleration are known.
What is force?
300
__________ motion--an object's position change is described in terms of a reference point.
What is relative?
300
Change in velocity divided by the time is required for the change to occur is __________ .
What is accelaration?
300
__________ or changing direction is also acceleration.
What is turning?
300
_________ force involves objects touching each other.
What is contact?
300
Near Earth's surface. the force of gravity causes all objects to fall with the same ___________ --9.8 m/s^2.
What is acceleration?
400
_________ --distance traveled divided by the time needed to travel the distance, or speed = distance/time.
What is speed?
400
Acceleration occurs when an object _____________ as well as speeds up.
What is slows down?
400
The velocity formula calculates average velocity and includes concept of __________ as well as speed.
What is direction?
400
___________ forces include gravity, magnetism, and electricity.
What is long-range?
400
Weight and mass are not the same thing. Weight changes when the acceleration due to __________ changes.
What is gravity?
500
______________ --speed is the same at any given moment in time.
What is constant speed?
500
A change in _________ can be used to calculate acceleration.
What is speed?
500
Speed at a particular instant in time is ___________ speed.
What is instantaneous?
500
When scientists measure force, they use the ________, abbreviated N.
What is newton?
500
Mass remains the _________ no matter what weight is.
What is same?