A concrete block A is kept from moving down a plane inclined at an angle, 0, 35° from the horizontal by a 15.0-kg metal ball B attached to the block by a cable wire through a pulley as shown in Fig 11. A Figure 11. Concrete block being held in place by a metal ball connected by a wire through a pulley. te Create an FBD around the metal ball and determine the tension in the cable wire. (b) What is the magnitude of the normal force Nacting on block A? (e What mass of the concrete block A, in kg, is required to keep the meal hall B in nlago?

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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).