Set: Science Quiz Chapter 2

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All 36 Terms

Term Definition
a force acting on an object can cause it to accelarate
Newton's first law of motion an object will remain at rest or keep moving unless a force acts on it
Inertia measures an object's tendency to resist changing its motion.
balanced forces Forces that cancel each other are called
net force is the combination of all the forces acting on an object
Acceleration is the change in velocity divided by the time needed for the change to occur
position Motion occurs when an object changes its
meter The SI unit of distance is the
negative If the line on a speed-time graph slopes downward to the right, then acceleration is
position The distance between an object and a reference point is the object's
displacement The distance between the final position and the starting position is the
Speed is the distance an object travels per unit of time
velocity The direction and speed of an object is described by its
calculation for speed v = d/t
Average speed is found by dividing total distance traveled by the total time
Instantaneous speed is the speed of an object at any instant of time
speedometer indicates instantaneous speed
distance how far an object moves
accelaration " change in" , m/s / s, m/s2, final velocity - annital velocity / time
positive speeds up in same direction, faster
negative velocity and accelaration move in opp. directions ,lower
motion change in position, to determine if motion has taken place you need a fixed refrence point
speed " rate of motion "
rate means change over time
speed's unit m/s
constant speed speed that does not vary
Distance d= v x t
speed v= d/t
time t= d/v
not speed if the axis aren't m/s it is
except when a straight line distance and displacement are never the same
"decelaration" decrease in speed
velocity will change if either changes ( speed or direction ) then
displacement distance and direction of an object's change in position
unit for velocity m/s
unit for time seconds

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Terms 36
Creator kerry
Created October 14, 2007
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Most Missed Words

  1. Average speed is found by → dividing total distance traveled by the total time - 10 misses
  2. a force acting on an object can cause → it to accelarate - 8 misses
  3. Acceleration → is the change in velocity divided by the time needed for the change to occur - 7 misses
  4. velocity will change → if either changes ( speed or direction ) then - 5 misses
  5. displacement → distance and direction of an object's change in position - 5 misses
  6. Inertia → measures an object's tendency to resist changing its motion. - 4 misses
  7. speed → " rate of motion " - 4 misses