Lecture Assignment 04 S2 2018 – Blackboard Learn PDF

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SWK 122 Lecture assignment 4 2018. blackboard...

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7/25/2018

Lecture Assignment 04 S2 2018

Lecture Assignment 04 S2 2018 Click on a question number to see how your answers were marked and, where available, full solutions. Ques Question tion Number

Sc Score ore

1

1

/

1

2

1

/

1

Total

2 /

2 (100%)

Performance Summary Exam Name:

Lecture Assignment 04 S2 2018

Session ID:

12742066594

Student's Name:

de Jager, CJH (Cornelius) (ltiprovider9f7675f592c91b28363aa4dfacf97a14)

Exam S Sttart art::

Wed Jul 25 2018 09:40:54

Exam S Stop: top:

Wed Jul 25 2018 09:46:48

Time Spent:

0:00:00

Question 1 State whether the following statement is true or false: If a brick falling straight downwards from a five storye building is considered as a particle, the brick is in equilibrium. True

False

Expected answer: True False

  You chose a correct answer. You were awarded 1 mark. Loading web-font Latin-Modern/Main/Regular

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7/25/2018

Lecture Assignment 04 S2 2018

Sc Score: ore: 1/1



Advice Question 2 In sketch (a), the spring with spring constant k hangs free with a = 0.2m. In sketch (b), the ball with mass M = 4kg pulls the spring down to length b = 0.3m.Calculate the spring constant k in N / m.

k=

392



Expected answer:

392

N/m

Gap 1

 Your answer is correct. You were awarded 1 mark. You scored 1 mark for this part. Sc Score: ore: 1/1



Advice

Created using Numbas (http://www.ncl.ac.uk/maths/numbas), developed by Newcastle University (http://www.newcastle.ac.uk).

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