Physics

Content Covered: Ch 10 Rotation 10.1 Rotational Variables 10.2 Rotation with Constant Angular Acceleration 10.5 Calculating the Rotational Inertia 10.7 Newton's Second Law for Rotation Ch 12 Equilibrium and Elasticity 12.2 Some Examples of Static Equilibrium

Directions: Answer the following problems below by showing the complete solution. In return, I will give you a good rating. Thank you so much!

Note: Please be careful with the calculations in the problem. Kindly double check the units, significant digits, and the solution and answer if there is a deficiency. And also, kindly read the note I have put in every problem.

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1. The "Blue Icon" in "a)" means "The Tolerance is 1 in the 3rd significant digit." The "Blue Icon" in "b)" means "The Tolerance is 1 in the 3rd significant digit." The "Blue Icon" in "c)" means "The Tolerance is 1 in the 3rd significant digit." The "Blue Icon" in "d)" means "The Tolerance is 1 in the 3rd significant digit." The "Blue Icon" in "e)" means "The Tolerance is 1 in the 3rd significant digit."

\fIn the figure, one end of a uniform beam of weight 180 N is hinged to a wall; the other end is supported by a wire that makes angles 0 = 33 with both wall and beam. Find (a) the tension in the wire and the (b) horizontal and (c) vertical components of the force of the hinge on the beam. Hinge (a) Number Units (b) Number i Units (c) Number i UnitsA meter stick balances horizontally on a knife-edge at the 50.0 cm mark. With two 3.12 3 coins stacked over the 37.8 cm mark,the stick is found to balance at the 47.9 cm mark. What is the mass of the meter stick? N um her a Units V In the figure, block 1 has mass m1 = 480 g. block 2 has mass m2 = 590 g, and the pulley is on a frictionless horizontal axle and has radius R = 4.6 cm. When released from rest, block 2 falls 73 cm in 4.6 s without the cord slipping on the pulley. (a) What is the magnitude of the acceleration of the blocks? What are (b) tension 72 (the tension force on the block 2) and (c) tension T, (the tension force on the block 1)? (d) What is the magnitude of the pulley's angular acceleration? (e) What is its rotational inertia? Caution: Try to avoid rounding off answers along the way to the solution. Use g = 9.81 m/s2. m2 (a) Number Units (b) Number i UnitsIn the gu re. two 6.40 kg blocks are connected by a massless string over a pulley of radius 2.00 cm and rotational inertia 7.40 x 104' kg-mz. The string does not slip on the pulley; it is not known whether there is friction between the table and the sliding block; the pulley's axis is frictionless.When this system is released from rest, the pulley turns through 0.500 rad in 188 ms and the acceleration of the blocks is constant. What are (a) the magnitude of the pulley's angular acceleration. lb} the magnitude of either block's acceleration. {c} string tension T1, and {d} string tension T2? Assume freefall acceleration to be equal to 9.81 m/s'q. {a} Number I Units V {bl Number n Units V {c} Number n Units V [d] Number a Units v The system in the figure is in equilibrium. A concrete block of mass 211 kg hangs from the end of the uniform strut of mass 68.0 kg. For angles @ = 31.60 and 0= 54.2, find (a) the tension T in the cable and the (b) horizontal and (c) vertical components of the force on the strut from the hinge. Strut 7 -Hinge (a) Number Units (b) Number i Units (c) Number i Units