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Ch. 4-5 Test
N/A
20
Physics
Undergraduate 2
04/05/2012

Additional Physics Flashcards

 


 

Cards

Term
If gravity between the sun and earth suddenly vanished earth would move in
Definition
Term
Seat belts and air bags in a car are mostly linked to the effects of newtons
Definition
first law
Term
The net force on any any object in equilibrium is
Definition
zero
Term
When standing in the aisle of a smoothly riding bus you drop a coin from above your head. The falling coin will land
Definition
at your feet
Term
Definition
back of the cart hits the ball
Term
Definition
5n
Term
the connection between mass, acceleration and force is embodied in newtons
Definition
second law
Term
Definition
none of the above
Term
when the net force on a moving object remains @ right angles to the velocity the speed
Definition
remains the same
Term
when you toss a rock straight upward, which is no longer present @ the top of its path
Definition
speed
Term
a falling object that reaches terminal velocity continues to have
Definition
speed
Term
Definition
has to fall faster for air resistance to match weight
Term
when a 10kg falling object encounters 10n of air resistance its acceleration is
Definition
less than g
Term
when you press a coiled spring downward the spring presses upward on your hand with
Definition
the same amount of force
Term
Definition
the same as the amount of force on the foot
Term
a karate chop delivers a blow of 3500n to a board that breaks. the force that acts on the hand during this even is
Definition
3500n
Term
earth pulls on the moon. Similarly the moon pulls on earth evidence that
Definition
earth and moon pulling on earth
earths and moon pulls comprise an action
Both the above occur
Term
the amount of air resistance on a 0.8-N flying squirrel for terminal speed is
Definition
0.8-N
Term
As a fly
Definition
Term
as a flying squirrel falls faster and faster through the air
Definition
air resistance increases
net force decreases
acceleration decreases
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