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ch.3 science

study guide

QuestionAnswer
A reference point, a direction, and displacement together give a complete description (A.force B.speed C.motion) C.motion
Which factor is needed to describe velocity but is needed to describe speed?(A.a distance B.a direction C. a unit of time B.a direction
a force acting on an object can cause the object to accelerate
what factor does NOT affect the force of gravity between two objects? their surface areas
what statement describes combined forces that are balanced they result in a net force of 0 N
What object is being acted on by unbalanced forces an object that has a curved path and constant speed
what determines an object acceleration when a force acts on it the object mass and size of the force
an _________________ is a starting point that is used to describe the motion or position reference point
any push or pull an object exerts on another is an __________________ force
__________________is the measure of how quickly the velocity of an object changes acceleration
newton third law describes________________ force pair
newton first law is something called the law of _____________________ inertia
a force that acts on an object without touching it is a__________________ noncontact
the process of changing position is called_____________ motion
when an object speed and direction do not change it velocity is____________________ constant
straight line sloping upwards(ST) curved line sloping upward(DPT) speed up
straight line horizontal(ST) straight line sloping upward(DPT) constant speed
straight line sloping downward(ST) curved line sloping slightly upward(DPT) slowing down
horizontal line at y=0(ST) horizontal line at y=0(DPT) no motion
Created by: allylane
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