"Inertia" is a natural property of an object. It is the "reluctance" to the change in the state of motion or state of rest of the object. Inertia is measured quantitatively by the "mass" of an object. Objects with large mass indicates large inertia. Objects with *** all m...
解析 1) Newton's first law rephase that an object in motion will tend to stay in motion, which means even an object is stopped by a strong force, it will still move until it deaccelerate to stop. 2) Base on Newton's second law, F= MA, we can rephase it into A=F/M 3) Base...
Inertia and Mass According to Newton’s Second Law, the force (F) on an object is equal to the mass (m) and acceleration (a) of the object. Also, these things are required to change the state of motion of an object. Besides, its formula is: F = ma For understanding how a mass ...
What force is used to make Maglev trains run along their tracks? What does NOT cause an object to accelerate? If you apply a force F with the x-component -0.32 N and the y-component -0.75 N on a car that moves along the x-axis by a displacement of 2.63 m, what...
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You may think of inertia as a mysterious force keeping you from doing something you have to do, like your homework, but that isn't what physicists mean by the word. In physics, inertia is the tendency of an object to remain at rest or in a state of uniform motion. This tendency is ...
In summary, my professor said that the moment of inertia of a system is equal to the sum of the moment of inertia of each of its masses. However, I don't see why we can use R here rather than the distance from the center of the pulley to the mass. Isn't the moment of inertia...
4. Inertia: Inertia is the resistance of an object to changes in its motion. As the car accelerates, its inertia must be overcome by the engine force to increase its speed. 5. Gravity: Gravity acts vertically downward on the car, but on level ground, it doesn't have...
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What is the unit of the slope? Physically, what does the slope of this plot represent? What is matter made of? What is a time period? What is moment of inertia? What is the moment of inertia? A closed system consists of 4 objects. Initially, object A has 179J of energy, object B...