Question

Questions 1-5

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Answer 1

Answer:

1. Work = Force × Distance

2. One newton equals a force that produces an acceleration of one meter per second (s) per second on a one kilogram (kg) mass. Therefore, one joule equals one newton•meter.

3(a)Work = Force × Distance

=15×500

=7500 joules

3(b).

4.Work = Force × Distance

60 = Force × 25

60÷25 = Force

2.4N = Force

5. This energy comes from the chemical energy in your body and most of them are converted into heat and lost to the surrounding. Therefore, Energy is consumed without doing any work.

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