The right end of a horizontal beam of mass 4kg and length 3.3m is fixed to a wall by a hinge. The left end is held by a rope making an angle of 25.2 degrees with the horizontal. At the left end, a block of mass 9.3 kg is suspended. (a) Determine the modulus of the tension in the slanted string. (b) Determine the modulus and direction of the force exerted by the hinge on the beam. Express it with respect to the x+ axis

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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).