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Physics Final Exam
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Physics Exam 2 (final)
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Side A ------ Side B If you push an object twice as far while applying the same force, you do ------ twice as much work A job is done slowly, while an identical job is done quickly. Both jobs require the same amount of work, but different amounts of ------ power If an object is raised twice as high, its potential energy will be ------ twice as much A ball rolling down an incline has its maximum kinetic energy at ------ the bottom No work is done by gravity on a bowling ball that rolls along a bowling alley becauuse ------ the force on the ball is at right angles to the ball's motion A jack system will increase the potential energy of a heavy load by 1000 J with a work input of 2000 J. The efficiency of the jack system is ------ 50% A moving object has ------ speed, velocity, momentum, and energy A feather and a coin dropped in a vacuum fall with equal ------ accelerations Which moves faster in m/s on a merry-go-round: a horse on the inside or a horse on the outside near the rim? ------ outside horse An industrial flywheel has a greater rotational inertia when most of its mass is ------ nearest the rim A coin and a ring roll down an incline starting at the same time. The one to reach the bottom first will be the ------ coin 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, you'll multiply the torque by ------ two When a twirling ice skater brings her arms inward, her rotational speed ------ increases 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 ------ increases For a system in mechanical equilibrium the resultant forces and torques must ------ both be zero According to Newton, the greater the masses of interacting objects, the ------ greater the gravitational force between them According to Newton, doubling the distance between two interacting objects ------ divides by 4 the gravitational force between them What is the force of gravity on a 500 N woman standing on the Earth's surface? ------ 500 N The earth's gravitational field extends ------ both inside and outside the earth and throughout the entire universe Which is most responsible for the ocean tides? the moon or the sun? ------ the moon According to Kepler's laws, the paths of planets about the sun are ------ ellipses Roll a bowling ball off the edge of a table. As it falls, its horizontal component of velocity ------ remains constant An earth satellite is simply a projectile ------ freely falling around the earth the fastest moving planet in a solar system is ------ the planet nearest hte sun a "weightless" astronaut in an orbiting shuttle is ------ like the shuttle, pulled by earth's gravitation
Side A ------ Side B If you push an object twice as far while applying the same force, you do ------ twice as much work A job is done slowly, while an identical job is done quickly. Both jobs require the same amount of work, but different amounts of ------ power If an object is raised twice as high, its potential energy will be ------ twice as much A ball rolling down an incline has its maximum kinetic energy at ------ the bottom No work is done by gravity on a bowling ball that rolls along a bowling alley becauuse ------ the force on the ball is at right angles to the ball's motion A jack system will increase the potential energy of a heavy load by 1000 J with a work input of 2000 J. The efficiency of the jack system is ------ 50% A moving object has ------ speed, velocity, momentum, and energy A feather and a coin dropped in a vacuum fall with equal ------ accelerations Which moves faster in m/s on a merry-go-round: a horse on the inside or a horse on the outside near the rim? ------ outside horse An industrial flywheel has a greater rotational inertia when most of its mass is ------ nearest the rim A coin and a ring roll down an incline starting at the same time. The one to reach the bottom first will be the ------ coin 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, you'll multiply the torque by ------ two When a twirling ice skater brings her arms inward, her rotational speed ------ increases 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 ------ increases For a system in mechanical equilibrium the resultant forces and torques must ------ both be zero According to Newton, the greater the masses of interacting objects, the ------ greater the gravitational force between them According to Newton, doubling the distance between two interacting objects ------ divides by 4 the gravitational force between them What is the force of gravity on a 500 N woman standing on the Earth's surface? ------ 500 N The earth's gravitational field extends ------ both inside and outside the earth and throughout the entire universe Which is most responsible for the ocean tides? the moon or the sun? ------ the moon According to Kepler's laws, the paths of planets about the sun are ------ ellipses Roll a bowling ball off the edge of a table. As it falls, its horizontal component of velocity ------ remains constant An earth satellite is simply a projectile ------ freely falling around the earth the fastest moving planet in a solar system is ------ the planet nearest hte sun a "weightless" astronaut in an orbiting shuttle is ------ like the shuttle, pulled by earth's gravitation
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