Question

РЕБЯТ СРОЧНО НУЖНЫ ПРИМЕРЫ МЕХАНИЧЕСКИХ ЯВЛЕНИЙ(ЧЕМ БОЛЬШЕ,ТЕМ ЛУЧШЕ)Прям оч прошу!!!

Answer 1

В первом столбике))) 

Answer 2

механические - бежит человек, летит шарик, стираем ластиком

Answer 3

Examples of Mechanical Phenomena

Mechanical phenomena refer to physical events or processes that involve the behavior of objects under the influence of forces. Here are some examples of mechanical phenomena:

1. Friction: Friction is the resistance encountered when two surfaces come into contact and slide against each other. It opposes the relative motion between the surfaces and can cause heat generation and wear. For example, when you rub your hands together, you can feel the resistance caused by friction.

2. Gravity: Gravity is the force that attracts objects with mass towards each other. It is responsible for the weight of objects and the motion of celestial bodies. For instance, when you drop an object, it falls to the ground due to the gravitational force exerted by the Earth.

3. Elasticity: Elasticity is the property of a material to regain its original shape after being deformed by an external force. When a spring is stretched or compressed, it exerts a restoring force that brings it back to its original length. This behavior is an example of elasticity.

4. Buoyancy: Buoyancy is the upward force exerted on an object submerged in a fluid (liquid or gas). It is caused by the difference in pressure between the top and bottom of the object. When you place a balloon filled with helium in the air, it rises due to the buoyant force.

5. Vibration: Vibration refers to the rapid back-and-forth motion of an object or a medium. It can occur in various forms, such as the oscillation of a pendulum, the movement of a guitar string, or the shaking of a bridge due to wind or seismic activity.

6. Momentum: Momentum is the product of an object's mass and its velocity. It describes the quantity of motion possessed by an object. When a moving object collides with another object, momentum is transferred between them, resulting in changes in their velocities.

7. Sound Waves: Sound waves are mechanical waves that propagate through a medium, such as air or water. They are produced by vibrating objects and travel as compressions and rarefactions. When you speak or play a musical instrument, you create sound waves that propagate through the air.

8. Centripetal Force: Centripetal force is the force that keeps an object moving in a curved path. It acts towards the center of the curve and is required to maintain circular motion. For example, when you swing a ball attached to a string, the tension in the string provides the centripetal force.

These are just a few examples of mechanical phenomena. There are many more fascinating phenomena in the field of mechanics that involve the behavior of objects and the forces acting upon them.