(Systems in Action)
Question 1: Explain the different between force and work
Questio...
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Biology, 20.04.2021 22:40 kemellgwilson
(Systems in Action)
Question 1: Explain the different between force and work
Question 2: In what three ways can a machine make work easier?
Question 3: What is a mechanical system?
Question 4: Identify six simple machines and give an example for each.
1 )
2 )
3 )
4 )
5 )
6 )
Question 6: Define “increased productivity” and give an example of its negative impact on our world.
Question 7: Describe the difference between mechanical advantage and ideal mechanical advantage. Which is better?
Question 8: Johnny pushes a wall with force of 75N for one hour. Is there work being done? Explain.
Question 9: If the earths gravitational field is 9.8N/kg, what is the force of gravity on a 5-kg mass?
Question 10: Michelle uses a force of 50N to push a table 2.5m across the floor. How much work did Michelle do on the table?
Question 11: Grant uses a force of 100N to push a table 3m across the floor. How much work did grant do on the table?
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Answers: 1
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