Angular Momentum
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Q. A child is sitting on a merry-go-round that is spinning. If the child moves closer to the center, what happens to the angular velocity of the merry-go-round?
Q. A child is sitting on a merry-go-round that is spinning. If the child moves towards the center, what happens to the angular velocity of the merry-go-round?
Q. A child is sitting on a merry-go-round that is spinning. If the child moves towards the center of the merry-go-round, what happens to the angular velocity of the system?
Q. A child on a merry-go-round moves from the edge to the center. What happens to the angular momentum of the system?
Q. A child on a merry-go-round moves from the edge to the center. What happens to the angular velocity of the merry-go-round?
Q. A child sitting at the edge of a merry-go-round moves towards the center. What happens to the angular momentum of the system?
Q. A child sitting at the edge of a merry-go-round throws a ball tangentially. What happens to the angular momentum of the system (merry-go-round + child + ball)?
Q. A disc of mass M and radius R is rotating about its axis with an angular velocity ω. What is the angular momentum of the disc?
Q. A disc of radius R and mass M is rotating about its axis with an angular velocity ω. What is the kinetic energy of the disc?
Q. A disk of radius R and mass M is rotating about its axis with an angular velocity ω. What is the angular momentum of the disk?
Q. A disk of radius R and mass M is rotating about its axis with an angular velocity ω. What is its angular momentum?
Q. A figure skater pulls in her arms while spinning. What happens to her angular momentum?
Q. A figure skater pulls in her arms while spinning. What happens to her angular velocity?
Q. A figure skater spins with arms extended. When she pulls her arms in, what happens to her rotational speed?
Q. A figure skater spins with arms extended. When she pulls her arms in, what happens to her angular momentum?
Q. A figure skater spins with arms extended. When she pulls her arms in, what happens to her angular velocity?
Q. A particle is moving in a circular path with a radius of 2 m and a speed of 3 m/s. What is the angular momentum of the particle if its mass is 4 kg?
Q. A particle is moving in a circular path with radius r. If the speed of the particle is doubled, how does its angular momentum change?
Q. A particle is moving in a straight line with a constant velocity. What is its angular momentum about a point that is not on the line of motion?
Q. A particle is moving in a straight line with a velocity v. If it suddenly starts moving in a circular path of radius r, what will be its angular momentum about the center of the circular path?
Q. A particle is moving in a straight line with a velocity v. What is its angular momentum about a point O located at a distance r from the line of motion?
Q. A particle moves in a circular path of radius r with a constant speed v. What is the centripetal force acting on the particle?
Q. A particle moves in a circular path with a radius r and a constant speed v. If the speed is doubled, what happens to the angular momentum of the particle?
Q. A particle moves in a straight line with a constant velocity. What is its angular momentum about a point not on the line of motion?
Q. A particle moves in a straight line with a constant velocity. What is the angular momentum of the particle about a point not on the line of motion?
Q. A particle moves in a straight line with a velocity v. What is its angular momentum about a point P located at a distance d from the line of motion?
Q. A particle of mass m is moving in a circular path of radius r with a constant speed v. What is the angular momentum of the particle about the center of the circle?
Q. A planet orbits a star in an elliptical path. What remains constant throughout its orbit?
Q. A planet orbits the sun in a circular path. If the radius of the orbit is doubled, what happens to the angular momentum of the planet if its speed remains constant?
Q. A planet orbits the sun in a circular path. If the radius of the orbit is halved, what happens to the angular momentum of the planet?
