A block of mass 10 kg is attached to a rope which runs over a pulley of radius 0.5 m, as shown in the figure.
Which of the following is most nearly the torque exerted by the box on the pulley?
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A block of mass 10 kg is attached to a rope which runs over a pulley of radius 0.5 m, as shown in the figure.
Which of the following is most nearly the torque exerted by the box on the pulley?
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A winch used to lift heavy crates consists of a cable wound around a drum of diameter 2.5 m, as shown in the figure. The maximum torque the winch can withstand without breaking is 1250 N⋅m.
Which of the following most nearly represents the maximum mass of the crate the winch could lift without breaking?
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Forces are exerted on four identical rods, as shown in the figure.
Which of the following correctly ranks the magnitude of the net torque about the pivot on the left end of each rod?
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A uniform rigid bar of weight is pivoted at point O and is supported by a rope that makes a 30° angle with the horizontal axis, as shown in the figure.
Which of the following diagrams best represents the directions of the forces acting on the bar?
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A pendulum of length with a bob of mass is suspended from point P, as shown in the figure.
Which of the following expressions correctly represents the torque exerted on the pendulum about point P when released from an angle of 60° below the horizontal?
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