A uniform metal bar with mass and length is connected to a wall by a pivot joint. It is held in place by an ideal thin cable (no effective mass or elasticity) connected to the wall above the pivot, so that the cable makes a angle with the metal bar. What is the tension in the cable?

A uniform metal bar with mass and length is connected to a wall by a pivot joint. It is held in place by an ideal thin cable (no effective mass or elasticity) connected to the wall above the pivot, so that the cable makes a angle with the metal bar. What is the tension in the cable?

A wheel of radius rolls along a flat floor and makes rotations over a period of time. What distance has the wheel traveled?

A wheel of radius rolls along a flat floor and makes rotations over a period of time. What distance has the wheel traveled?

A boy is riding a merry-go-round with a radius of . What is the centripetal force on the boy if his velocity is ?

A boy is riding a merry-go-round with a radius of . What is the centripetal force on the boy if his velocity is ?

A child sits on one end of a seesaw. How far from the pivot point should a rock of be placed on the other side of the seesaw in order to perfectly balance the child and rock?

A child sits on one end of a seesaw. How far from the pivot point should a rock of be placed on the other side of the seesaw in order to perfectly balance the child and rock?

A ball of mass on a string is rotating about the center axis with a velocity . If the tension force in the string is , what is the radius of the circular path of the ball?

A ball of mass on a string is rotating about the center axis with a velocity . If the tension force in the string is , what is the radius of the circular path of the ball?