Q: Write the necessary equations of equilibrium of the object shown in Figure
Write the necessary equations of equilibrium of the object shown in Figure P8.32. Take the origin of the torque equation about an axis perpendicular to the page through the point O. Figure P8.32:
See AnswerQ: The chewing muscle, the masseter, is one of the strongest
The chewing muscle, the masseter, is one of the strongest in the human body. It is attached to the mandible (lower jawbone) as shown in Figure P8.33a. The jawbone is pivoted about a socket just in fro...
See AnswerQ: A 1200-N uniform boom at (( = 65° to
A 1200-N uniform boom at (( = 65° to the horizontal is supported by a cable at an angle θ = 25.0° to the horizontal as shown in Figure P8.34. The boom is pivoted at...
See AnswerQ: The large quadriceps muscle in the upper leg terminates at its lower
The large quadriceps muscle in the upper leg terminates at its lower end in a tendon attached to the upper end of the tibia (Fig. P8.35a). The forces on the lower leg when the leg is extended are mode...
See AnswerQ: One end of a uniform 4.0-m-long
One end of a uniform 4.0-m-long rod of weight w is supported by a cable at an angle of θ = 37° with the rod. The other end rests against a wall, where it is held by friction. (...
See AnswerQ: Four objects are held in position at the corners of a rectangle
Four objects are held in position at the corners of a rectangle by light rods as shown in Figure P8.37. Find the moment of inertia of the system about (a) The x-axis, (b) The y-axis, and (c) An axis t...
See AnswerQ: If the system shown in Figure P8.37 is set in
If the system shown in Figure P8.37 is set in rotation about each of the axes mentioned in Problem 37, find the torque that will produce an angular acceleration of 1.50 rad/s2 in each case. Axes From...
See AnswerQ: A large grinding wheel in the shape of a solid cylinder of
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 250. N applied to its edge causes the wheel...
See AnswerQ: An oversized yo-yo is made from two identical solid disks
An oversized yo-yo is made from two identical solid disks each of mass M = 2.00 kg and radius R = 10.0 cm. The two disks are joined by a solid cylinder of radius r = 4.00 cm and mass m = 1.00 kg as in...
See AnswerQ: Suppose you have one cubic meter of gold, two cubic meters
Suppose you have one cubic meter of gold, two cubic meters of silver, and six cubic meters of aluminum. Rank them by mass, from smallest to largest. (a) Gold, aluminum, silver (b) Gold, silver, alumin...
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