
ບົດທີ 3 ແຮງທີ່ມີອຳນາດຈາກຄວາມດັນ
Authored by sisomsuene yatsa
Professional Development
Professional Development
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
ລະບົບໄຮໂດຣລິກແມ່ນໃຊ້ຫຍັງເພື່ອສ້າງແຮງດັນ?
ໄຟຟ້າ
ທາດແຫຼວ
ລົມ
ລົມ+ໄຟຟ້າ
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
ແຮງທີ່ມີອຳນາດຈາກຄວາມດັນໂຕຫຍໍ້ຂຽນວ່າແນວໃດ?
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
ບອກຫົວໜ່ວຍ ແຮງທີ່ມີອຳນາດຈາກຄວາມດັນ?
Kg/Cm2
N
Cm2
N/Cm2
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
ບອກຄວາມໝາຍຂອງ F1?
ແຮງຈາກຄົນ
ແຮງຂອງກ້ານດັນ
ໄລຍະຫ່າງຂອງຜາງຕີນຫ້າມ
ຄວາມຍາວຂອງຜາງຕີນຫ້າມ
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
ບອກຄວາມໝາຍຂອງ F2?
ແຮງຈາກຄົນ
ແຮງຂອງກ້ານດັນ
ໄລຍະຫ່າງຂອງຜາງຕີນຫ້າມ
ຄວາມຍາວຂອງຜາງຕີນຫ້າມ
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
ບອກສູດຄິດໄລ່ F2?
F2 = (F1 - r1 ) / r2
F2 = (F1 xr2 ) / r1
F2 = (F1 xr1 ) / r2
F2 = (F1 +r1 ) / r2
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