(Systems in Action)
Question 1: Explain the different between force and work
Questio...
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.
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Question 6: Define âincreased productivityâ 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?
Answers: 1
Biology, 22.06.2019 01:30, staxeeyy767
Acceleration is a direct result of a.) balanced forces b.) unbalanced forces c.) gravity d.) velocity
Answers: 1
Biology, 22.06.2019 04:30, manuell090203
Which of the following best describes the relationship between glucose and complex molecules such as hormones?
Answers: 2
Biology, 22.06.2019 07:00, Nicaragua505
8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.
Answers: 3
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