Forces - Vocabulary
Quiz by Jennifer Pendleton
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12 questions
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- Q1The combination of all the forces acting on an object
Newton
net forceunbalanced force
balanced force
30s - Q2When equal forces are acting on an object in opposite directions. The net force is zero.
unbalanced forces
terminal velocity
balanced forcesnet force
30s - Q3When the net force acting on an object is not zero resulting in a change in motion.
terminal velocity
balanced forces
unbalanced forcesnet force
30s - Q4The unit for force in the SI system
MPH
Newton (N)Galileo (G)
Kilogram (Kg)
30s - Q5An object that is thrown.
free fall
terminal velocity
Newton
projectile30s - Q6The product of an object's mass and velocity.
free fall
momentumterminal velocity
speed
30s - Q7When there are no outside forces the total momentum of objects that interact does not change.
free fall
Law of Conservation of MomentumLaw of Inertia
terminal velocity
30s - Q8The fluid friction experienced by objects moving through the air.air resistance
free fall
inertia
terminal velocity
30s - Q9The greatest velocity a falling object can achieve.terminal velocity
net force
projectile
free fall
30s - Q10The motion of an object when the only force acting on it is gravity.
terminal velocity
free fallprojectile
air resistance
30s - Q11Overall rate of speed at which an object moves.
balanced forces
terminal velocity
average speedinstantaneous speed
30s - Q12The speed of an object in one instant of time.
average speed
free fall
instantaneous speedair resistance
30s