# Shared Flashcard Set

## Details

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

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
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 earthearths and moon pulls comprise an actionBoth 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 increasesnet force decreasesacceleration decreases
Supporting users have an ad free experience!