I have reviewed the Work equation and know how to use the triangle trick from the video notes.
1 point
1
Question 2
2.
I know that the unit for Work is Joules (J)
1 point
1
Question 3
3.
I know that the unit for Force is Newtons (N)
1 point
1
Question 4
4.
I know that the unit for Distance is Meters (m).
1 point
1
Question 5
5.
Known 1:
1 point
1
Question 6
6.
Known 2:
1 point
1
Question 7
7.
Show your work for solving the problem... The brakes on a car do 240,000 J of work in stopping the car. If the car travels a distance of 50 m while the brakes are being applied, what is the force (in newtons) the brakes exert on the car?
2 points
2
Question 8
8.
What is the value for the unknown that you solved for in question 7? Label your answer!
1 point
1
Question 9
9.
Known 1:
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1
Question 10
10.
Known 2:
1 point
1
Question 11
11.
Show your work for solving the problem... You push a refrigerator with a force of 100 N. If you move the refrigerator a distance of 5 m, how much work (in joules) do you do?
2 points
2
Question 12
12.
What is the value for the unknown that you solved for in question 11? Label your answer!
1 point
1
Question 13
13.
Known 1:
1 point
1
Question 14
14.
Known 2:
1 point
1
Question 15
15.
Show your work for solving the problem... A force of 75 N is exerted couch. The couch is moved 5 m. How much work is done in moving the couch?
2 points
2
Question 16
16.
What is the value for the unknown that you solved for in question 15? Label your answer!
1 point
1
Question 17
17.
Known 1:
1 point
1
Question 18
18.
Known 2:
1 point
1
Question 19
19.
Show your work for solving the problem... A lawn mower is pushed with a force of 80 N. If 12,000 J of work is done in mowing a lawn what is the total distance the lawn mower was pushed.
2 points
2
Question 20
20.
What is the value for the unknown that you solved for in question 19? Label your answer!
