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No machine is 100% efficient. The amount of work you get out of the machine is

always something less than the amount of work you put into it. So you have to

put in more work than the job actually requires. It's the price you pay for making

the job 'easier' by using the machine to do it.

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Explain How machines make work easier if they still require that the same amount of work done?

Machines make work easier by allowing tasks to be completed more quickly and with less effort from humans. Even if the same amount of work is required, machines can increase efficiency, productivity, and precision compared to manual labor. This ultimately saves time and reduces the physical strain on workers.


Which of the follwing does not help to explain the incumbency effect?

An increase in voter turnout does not help to explain the incumbency effect. Instead, factors such as name recognition, experience, access to resources, and constituent service typically contribute to the advantage that incumbent politicians have in elections.


If you want to increase the power output should you increase the amount of work done or increase the time spent in doing work Explain.?

To increase power output, you should focus on increasing the amount of work done in a given amount of time, rather than increasing the time spent doing work. Power is directly proportional to the rate at which work is done, so by increasing the amount of work done in the same time frame, you can increase power output.


When a listener moves towards a stationary source of pitch of sound increase explain?

As a listener moves towards a stationary source of sound, the frequency of the sound waves received by the listener increases. This increase in frequency leads to a higher pitch perceived by the listener. This phenomenon is known as the Doppler effect.


Can you explain why the effects of entropy increase as temperature increases?

As temperature increases, the movement and disorder of particles also increase, leading to higher entropy. This is because higher temperature provides more energy for particles to move around and interact in a more chaotic manner, increasing the overall disorder and randomness in a system.

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