At the presentation ceremony, a championship bowler is presented a 1.80-kg trophy which he holds at arm's length, a distance of 0.655 m from his shoulder joint. (a) Determine the torque the trophy exerts about the shoulder joint when his arm is horizontal. (Enter the magnitude only.) N.m (b) Determine the torque the trophy exerts about the shoulder joint when his arm is at an angle of 20.0° below the horizontal. (Enter the magnitude only.) N. m

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At the presentation ceremony, a championship bowler is presented a 1.44-kg trophy which he holds at arm's length, a distance of 0.655 m from his shoulder joint. (a) Determine the torque (in N - m) the trophy exerts about the shoulder joint when his arm is horizontal. (Enter the magnitude only.) |N•m (b) Determine the torque (in N · m) the trophy exerts about the shoulder joint when his arm is at an angle of 37.0° below the horizontal. (Enter the magnitude only.) N. m

Consider an unsuccessful attempt to take off a tire using a wrench to loosen the bolts. Assume the wrench is 0.3m long and are you able to apply a 200N force  Because the tire is flat you can only apply your force at a 60° angle.  What is the torque at the center of the bolt.    You find a tire jack and are now able to apply 200N of force at an 80° angle.  Is the resulting torque more or less and what is the new torque.

Alunch tray is being held in one hand, as the figure illustrates. The mass of the tray itself is 0.237 kg, and its center of gravity is located at its geometrical center. On the tray is a 1.19-kg plate of food and a 0.241-kg cup of coffee. Obtain (a) the force 7 exerted by the thumb and (b) the force exerted by the four fingers. Both forces act perpendicular to the tray, which is being held parallel to the ground. 0.400 m 0.380 m 0.240 m 0.100 m 0.0600 m henc henc

Two blocks, each of mass 2 kg are suspendedfrom the ends of a rigid massless rod of lengthL. The rod is held horizontally on the fulcrumand then released. The length L1 is 15 cm andthe length L2 is 85 cm. Draw the force diagram for the rod. Clearly label all forces. Write Newton’s 2nd Law equation: (for F of y) Write Newton’s 2nd Law equation: (for net torque) What is the magnitude of the linear acceleration of the block closest to the fulcrum? What is the magnitude of the linear acceleration of the block furthest from the fulcrum?

A man in a gym is holding an 8.0-kg kettlebell at arm's length, a distance of 0.55 m from his shoulder joint. What is the torque about his shoulder joint due to the gravitational force on the kettlebell if his arm is held at 30° below the horizontal?

A centrifuge rotor rotating at 9000 rpm is shut off and is eventually brought uniformly to rest by a frictional torque of 2.41 m⋅N A) If the mass of the rotor is 4.04 kg and it can be approximated as a solid cylinder of radius 0.0310 mm , through how many revolutions will the rotor turn before coming to rest? B) How long will it take?

Suppose you exert a force of 190 N tangential to the outer edge of a 1.665-m radius 76.5-kg grindstone (which is a solid disk). a)What is the torque τ, in newton meters, you are exerting on the grindstone, relative to the center of mass of the grindstone?  b)What is the angular acceleration of the grindstone α0, in radians per square second, assuming negligible friction?  c)What is the angular acceleration of the grindstone αf, in radians per square second, if there is an opposing frictional force of 20.5 N exerted 0.35 m from the axis?

Current Attempt in Progress The figure shows a lower leg being exercised. It has a 49-N weight attached to the foot and is extended at an angle ) with respect to the vertical. Consider a rotational axis at the knee, as indicated. (a) When = 89°, find the magnitude of the torque that the weight creates. (b) At what angle ) does the magnitude of the torque have a value of 18 N·m? Axis, 0.55 m 49 N (a) Number i Units (b) Number i Units