# Shared Flashcard Set

## Details

chapter 8 physics
study
27
Physics
12/04/2012

## Additional Physics Flashcards

Term
 horses that move with the fastest linear speed on a merry go round are located where?
Definition
 near the outside
Term
 your pet hamster sits on a record player whose angular speed is constant. if he moves to a point twice as far from the center, then his linear speed...?
Definition
 doubles
Term
 which moves faster in m/s on a merry go round; a horse on the inside or horse on the outside?
Definition
 outside horse
Term
 if a turntable's rotational speed is doubled, then the linear speed of a pet hamster sitting on the edge of the record will..?
Definition
 double
Term
 an industrial flywheel has a greater rotational inertia when most of its mass is...
Definition
 near the rim
Term
 a coin and a ring roll down an incline starting at the same time. the one to reach the bottom first will be the
Definition
 coin
Term
 a torque acting on an object tends to produce...?
Definition
 rotation
Term
 on a balanced seesaw, a boy three times as heavy as his partner sits..?
Definition
 1/3 the distance from the fulcrum
Term
 put a pipe over the end of a wrench when trying to turn a stubborn nut on a bolt, to effectively make the wrench handle twice as long, youll multiply the torque by...?
Definition
 two
Term
 toss a baseball bat into the air and it wobbles about its
Definition
 center of mass.
Term
 the long, heavy tail of a spider monkey enables the monkey to easily vary its..?
Definition
 center of gravity
Term
 the center of mass of a human body is located at a point....?
Definition
 that changes as a person bends over.
Term
 the famous leaning tower of pisa doesnt topple over because its center of gravity is...?
Definition
 above a place of support
Term
 the chef at the infamous fattening tower of pizza tosses a spinning disk of uncooked pizza dough into the air. the disk's diameter increases during the flight, while its rotational speed...?
Definition
 decreases
Term
 centrifugal forces are an apparent reality to observers in a reference frame that is...?
Definition
 rotating
Term
 when a twirling ice skater brings her arm inward, her rotational speed..?
Definition
 increases
Term
 consider a rotating donut-shaped space habitat where living quarters are on the inside surface farthest from the axis. if the rotational speed of the habitat increases, the apparent weight of people inside...?
Definition
 increases
Term
 if the earth had two identical moons in one circular orbit, an the moons were as far apart in that orbit as they could be, the center of gravity of the erth-moons sytem would be..?
Definition
 outside the earth, but within the orbital path of moons
Term
 when doing somersaults, youll more easily rotate when your body is...
Definition
 balled up.
Term
 to turn a stubborn screw, it is best to use a screwdriver that has a..?
Definition
 wide handle
Term
 two people are balanced on a seesaw. if one person leans toward the center of the seesaw, that persons end of the seesaw will...?
Definition
 rise
Term
 to kick a football si it wont topple end over end, kick it so the force of impact extends...
Definition
 through its center of gravity
Term
 a car travels in a circle with constant speed the net force on the car is...?
Definition
 directed toward the center of the curve
Term
 a huge rotating cloud of particles in space gravitate together to form an increasingly dense ball. as it shrinks n size, the cloud..
Definition
 rotates faster.
Term
 if the polar icecaps melted, the resulting water would spread over the entire earth, this new mass distribution would tend to make the length of a day...
Definition
 longer
Term
 suppose you are at the center of a large freely-rotating horizontal turntable in a carnival funhouse. as you crawl toward the edge, the angular momentum of you and the turntable...?
Definition
 remains the same but the RMP's  decrease.
Term
 stand a meterstick on its end and let go and it rotates to the floor. if you attack a heavy weight to its upper end and repeat, falling time ill be...?
Definition
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