Відео

You are very much welcome!

You are welcome! Hope it helped!

Thank you very much. Much appreciated! I do hope all went well!

Hope all went well with you! You are most welcome!

Hi sir is this the real 24 paper?​@@conlloydgumbsmaths

Glad you found it helpful! All the best!

Most welcome!

The description for the question made this a bit confusing.The question provided the diagram which shows that they indeed wanted to have some demonstration of Lami's Theorem, thus only wanted 3 forces. I suspect the diagram was made and then words were created to tell a story to make it an "applied" question that tests the use of Lami's Theorem worth 9 marks. Therefore, it is clear that was the intention, so what would throw off an examinee is the description. Just imagine trying to draw this without the diagram? The description for sure would make all of us draw it with 4 lines, thus thinking of 4 forces. Now when we look at the description, it says that "the clock is held in place....by a force T". The important part here is that the clock, although it has its force due to gravity (FORCE 1) and the 15 N (FORCE 2) pulling it horizontally, there is a force T (FORCE 3) that "holds" it in place. This implies that although the string is there, all the force is acting on force T, which keeps it in equilibrium. Think of force T as a rod or something and think of the system in in the sense of just those three forces are the real forces in equilibrium and the string (light string) is just attached, but not load bearing, as force T is doing that. So in other words, if we were to cut the light string, since force T is the real "holder" and it is in equilibrium with the other forces, the string serves no purpose there and if it contributed to any force, it is too small to make any impact to the overall system. Similar to if an ant was to be sitting on the clock, how much kgs would it really contribute to impact the 40N? The fact that all of this needs to be thought of in such a light, shows that the phrase "with the light inextensible string remaining vertical" was uncalled for in an exam condition. However, it may have been initially thought of somewhat of a way to show that there was an angle coming from the vertical, which was demonstrated by the line string, but it opens room for confusion. It would have been better to consider the force at T as the string, which was then moved at an angle from the vertical by a 15N force. This is how this question is typically asked. Thus, what you said is valid. We can see 3 forces on the diagram and the vertical dotted line you see, is just to show where the vertical is, so we could figure out where the angle is coming from. This had the makings of being a really good question. Nonetheless, if they had to do it based on their diagram to make it a bit clearer, what they really had to say was: "The following diagram shows a clock, weighing 40 N, that is suspended from a ceiling by a light inextensible string at a point T. There is a horizontal force with magnitude 15 N acting on the clock. The clock is held in place with the light inextensible string, which makes an angle of θ degrees to the vertical. Just for reference, if there are any questions that are invalid in an exam or not in line with the syllabus, during the marking cycle it would have to be removed or the marks just awarded, whatever stance they take. Hope this helps.

Thank you very much! Glad it helped!

Appreciate the kind words and I am glad it helped! All the best on your exam!

You are welcome!! I am glad that it has been helpful to you for your mocks and hopefully it helps with your exams as well too! Appreciate the feedback and thanks for being the first to comment.

Glad you found it helpful and thank you for your feedback. Do you have any particular question you are looking at?

@@conlloydgumbsmaths It was very helpful. Can you solve Cape Applied Mathematics 2017-unit 2 paper 2 module 3? And Cape Applied Mathematics 2023-unit 2 paper 2 module 1 thanks.

In that particular question, the charges would have been subtracted. It would have been a deduction. The answer would be $1,237.50. Thanks for looking out!

Glad you found this helpful!!

Glad it was helpful!

Do you have a copy of the 2022?

@@conlloydgumbsmaths no sorry. That paper is really difficult to find