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PHYS 1443 Chapter 10
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Gravity
Terms in this set (9)
If a constant net torque is applied to an object, that object will
rotate with constant angular acceleration
Two equal forces are applied to a door. The first force is applied at the midpoint of the door; the second force is applied at the doorknob. Both forces are applied perpendicular to the door. Which force exerts the greater torque?
the second at the doorknob
Two equal forces are applied to a door at the doorknob. The first force is applied perpendicular to the door; the second force is applied at 30 degrees to the plane of the door. which force exerts the greater torque
the first applied perpendicular to the door
consider a solid sphere of radius R and mass M rolling without slipping. Which form of kinetic energy is larger, translational or rotational?
translational kinetic energy is larger
Consider a hoop of radius R and mass M rolling without slipping. Which form of kinetic energy is larger, translational or rotational?
both are equal
Two children are riding on a merry-go-round. Child A is at a greater distance from the axis of rotation than child B. Which child has the larger angular displacement?
they have the same non-zero angular displacement
Two children are riding a merry-go-round. Child A is at a greater distance from the axis of ration than child B. which child has the larger angular speed?
Child A
Two children are riding a merry-go-round. Child A is at a greater distance from the axis of ration than child B. Which child has the larger tangential speed?
Child A
Two children are riding a merry-go-round. Child A is at a greater distance from the axis of ration than child B. Which child has the larger centripetal acceleration?
Child A
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