A block resting on a plane inclined at an angle e 32° from the horizontal is being held in place by steel cables a, b, and cas shown in the figure below. The tension in cable bis 80.0 N. Note that cable a is parallel to the surface of the incline and that cable bis perfectly horizontal. 420 b. (D a) Create an FBD around point D and determine the tension in wire a and wire C. b) Create an FBD around the block and determine the normal force Nand the force due to gravity F. c) What is the mass of the block in kilograms? FACULTY OF ENGINEERING I UNIVERSITY OF SANT O TOMAS

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Mechanical Properties of Solids

There are three types of matter- solid, liquid and gas. Out of them, solids have a rigid shaped and size. The intermolecular forces of attractions in solids are greatest. Mechanical properties are the physical properties of a material which it shows, when it is provided with certain amount of force or load. These properties are to be kept in mind for various purposes. When a force is applied to an object, the object may or may not get deformed depending upon its elastic property. But every time the object develops a restoring force against the force applied. This is commonly known as stress. If the object changes its dimensions due to the force applied it develops strain ( which is the ratio of change in dimension to the original dimension).