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ບົດ​ທີ 3 ແຮງ​ທີ່​ມີ​ອຳ​ນາດ​ຈາກ​ຄວາມ​ດັນ

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Professional Development

Professional Development

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ບົດ​ທີ 3 ແຮງ​ທີ່​ມີ​ອຳ​ນາດ​ຈາກ​ຄວາມ​ດັນ
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

      ລະບົບໄຮໂດຣລິກແມ່ນໃຊ້ຫຍັງເພື່ອສ້າງແຮງດັນ?

ໄຟ​ຟ້າ

​ທາດ​ແຫຼວ

​ລົມ

​ລົມ+ໄຟ​ຟ້າ

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

      ແຮງທີ່ມີອຳນາດຈາກຄວາມດັນໂຕ​ຫຍໍ້​ຂຽນ​ວ່າ​ແນວ​ໃດ?

F

​d

​σc

A

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

     ບອກສູດ ແຮງທີ່ມີອຳນາດຈາກຄວາມດັນ?

​σc = F / A

​​σc = F + A

​σc = F x A

​σc = F - A

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

     ບອກຫົວ​ໜ່ວຍ ແຮງທີ່ມີອຳນາດຈາກຄວາມດັນ?

Kg/Cm2

N

Cm2

N/Cm2

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

     ບອກ​ຄວາມ​ໝາຍ​ຂອງ F1?

ແຮງ​ຈາກ​ຄົນ

​ແຮງ​ຂອງ​ກ້າ​ນ​ດັນ

​ໄລ​ຍະ​ຫ່າງ​ຂອງ​ຜາງ​ຕີນ​ຫ້າມ

​ຄວາມ​ຍາວ​ຂອງ​ຜາງ​ຕີນ​ຫ້າມ

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

     ບອກ​ຄວາມ​ໝາຍ​ຂອງ F2?

ແຮງ​ຈາກ​ຄົນ

​ແຮງ​ຂອງ​ກ້າ​ນ​ດັນ

​ໄລ​ຍະ​ຫ່າງ​ຂອງ​ຜາງ​ຕີນ​ຫ້າມ

​ຄວາມ​ຍາວ​ຂອງ​ຜາງ​ຕີນ​ຫ້າມ

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

     ບອກ​ສູດ​ຄິດ​ໄລ່ F2?

F2 = (F1 - r1 ) / r2

​F2 = (F1 xr2 ) / r1

F2 = (F1 xr1 ) / r2

F2 = (F1 +r1 ) / r2

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