3. A 1.36 kg ball is connected by means of two ideal strings to a horizontal, rotating rod. The strings are tied to the rod and are taut. The right string is 25.0 cm long and has a tension of 31.5 N, and it makes an angle 82 = 50.0° with the rod, while the left string makes an angle 0₁ = 65.0° angle with the rod. At the instant shown the ball is at its lowest point. (a) What is the tension in the left-hand string? N sc2368 sc2368 sc2368 sc2368 sc2368 sc2368 sc236 0₂ 308 sc248 sc/368 sc23 48 sc2368 sc236 023368 sc2368 4. (b) What is the speed of the ball? X3.16 m/s 2368 sc2368 scho sc236 sc233 sc2368 2368 sc2368 sc2368 sc2 sc2368 sc2368 sc2368 sc2368 sc2368 s 2368 ec2368 2368 sc2368 s

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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).