Explanation of power:
1. Various forces that operate machines, such as water power, wind power, electricity, heat, etc. ?
2. It is a metaphor for promoting advancement and development in work, career, etc. Example: People are the driving force behind the creation of world history.
Examples:
1. “General Discussion on Reform: On the Harms of Unchangeable Law” by Liang Qichao: “Since the French Emperor Napoleon initiated the disaster, Europe suddenly gained momentum and was therefore renewed.”
2. "On the Coalition Government" by Mao Zedong 2: "The people, and only the people, are the driving force for creating world history."
Synonyms for power: energy:
< p>Energy means: Energy is a resource that can provide energy.Energy here generally refers to thermal energy, electrical energy,light energy, mechanical energy, chemical energy, etc. Energy can be divided into three broad categories depending on its source:
1. Solar energy. Including energy coming directly from the sun (such as energy from solar thermal radiation) and energy coming from the sun indirectly (such as coal, oil, natural gas, oil shale and other combustible minerals and l biomass energy such as firewood, hydropower and wind power, etc.).
2. The energy of the earth itself. One is the geothermal energy contained inside the Earth, such as hot underground water, underground steam and hot dry rock mass; the other is nuclear energy contained in nuclear fuels such as uranium and thorium in the earth's crust.
3. The energy generated by the gravitational pull of celestial bodies such as the moon and sun on theon land, like tidal energy.
Detailed information:
The antonym of resistance:
Resistance: The force that hinders the movement of an object is called “resistance”. A train traveling on a straight section of railway track is subject to the traction of the locomotive and the resistance of the air and the rails. Pull and resistance go in opposite directions and pull increases the speed of the train.
The resistance reduces the speed of the train. If the traction force and the resistance force balance each other, their effects on the train will cancel out and the train will continue to move in a straight line at a constant speed. When an object moves in a liquid, the moving object experiences the action of the fluid, causing its speed to decrease.
This force is also resistance. For example, when rowing a boat, the forcebetween the oar and the water which hinders the backward movement of the oar is the resistance. Another example is that an object moving in air encounters resistance due to friction with the air.
What should I do if the car engine is noisy?
A car consists of four basic parts: the engine, chassis, body and electrical equipment.
An engine is a machine capable of converting other forms of energy into mechanical energy, including internal combustion engines (reciprocating piston engines), external combustion engines (Stirling engines, steam, etc.), jet engines, electric motors are waiting.
Chassis refers to the car's drivetrain. It is a combination of four parts: the driving system, the steering system and the braking system. It supports and installs the car engine and its components and assemblies, forming the fooverall strength of the car, resisting the engine power and ensuring normal driving.
The body refers to the part of the vehicle used to transport people and loads, and also refers to the entire vehicle. The body of some vehicles is both the driver's workplace and a place to accommodate passengers and cargo. The bodywork includes windows, doors, cockpit, passenger compartment, engine compartment, luggage compartment, etc.
Electrical equipment is the collective name for generators, transformers, power lines, circuit breakers and other equipment in the electrical system.
Detailed information
The basic structure of the engine:
The engine is the power plant of the car and consists of 2 main mechanisms and 5 main systems. : It consists of a crank connecting rod mechanism, a systemvalve system, a cooling system, a fuel supply system, a lubrication system, an ignition system and a starting system. However, a diesel engine has one. less ignition system than a gasoline engine.
1. Cooling system: usually consisting of a water tank, water pump, radiator, fan, thermostat, water temperature meter and switch water release. Car engines use two cooling methods, namely air cooling and water cooling. Typically, automobile engines use water cooling.
2. Lubrication system: The engine lubrication system consists of oil pump, filter manifold, oil filter, oil passage, pressure limiting valve, an oil gauge, a pressure sensing cap and a gaugeoil gauge.
3． Fuel Supply System: The fuel supply system of a gasoline engine includes a fuel tank, a fuel meter, a fuel hose, a fuel filter, a fuel pump, a carburetor, air filter, etc. The diesel engine fuel system includes main components such as fuel injection pumps, fuel injectors and regulators, as well as auxiliary devices such as diesel tanks, fuel transfer pumps, oil separators -water, diesel filters, injection advances and high and low pressure systems. oil lines.
4. Starting system: starter, battery, etc.
5. Ignition system: spark plugs, high voltage wires, high voltage coils, distributors, ignition switches, etc.
6. Crank connecting rod mechanism: connecting rod, crankshaft, bearing, flywheel, piston, track ringon, piston pin, crankshaft oil seal, etc.
7. Valve timing mechanism: cylinder head, valve cover, camshaft, valve intake manifold, exhaust manifold, air filter, muffler, three-way catalytic compressor, etc.
Baidu Encyclopedia - Bodywork
Baidu Encyclopedia - Electrical Equipment
Baidu Encyclopedia - Chassis
Baidu Encyclopedia - Engine
< /p>The reasons are:
There is not enough lubrication when starting the car cold, and the hydraulic lifter and rocker arm mechanics are not working properly, leading to the clicking noise. Engine oil condition is poor: If the viscosity of the engine oil is too high or too low, the engine will make noise. The belt is not tight enough: the motor makes a squealing noise during operation. Leak in the intake and exhaust pipes: At the pipe levelAt the intake and exhaust, gas will escape from the exhaust pipes, making noise. Poor fuel quality: causing strong vibrations and noise in the engine. Loose plastic parts in the engine compartment: Collisions in the engine working room and engine compartment will produce noise.