រូបវិទ្យា លំហាត់អនុវត្តន៍

Quiz
•
Physics
•
8th Grade
•
Hard
Mong Mengly
Used 10+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
ឡានមួយធ្វើដំណើរនៅលើផ្លូវត្រង់ស្មើបានចម្ងាយ 72km ក្នុងរយៈពេលមួយម៉ោង។គណនាល្បឿនរថយន្តនោះគិតជាម៉ែត្រក្នុងមួយវិនាទី។
2.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
ប្អូនជេមបានជិះម៉ូតូចរបានចម្ងាយ 6m ក្នុងរយៈពេល 2s បន្ទាប់មកទៀតគាត់ចរបាន 14m ក្នុងរយៈពេល 2s ដដែល។គណនាល្បឿនមធ្យមរបស់គាត់។
3.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
ក្រោយពីប្អូនជេមបើកម៉ូតូអស់រយៈពេល 1mn20s ល្បឿននៃម៉ូតូបានកើនឡើងពី 0km/h ទៅ 60km/h។កំណត់សំទុះនៃរថយន្ដនោះ។
4.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
គ្មានចម្លើយ
5.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
6.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
F=3N
F=4N
F=5N
F=6N
7.
MULTIPLE CHOICE QUESTION
5 mins • 5 pts
សិស្សម្នាក់លើកសៀវភៅវិទ្យាសាស្ត្រាថ្នាក់ទី៨ ចំនួន១ក្បាលដែលមានទម្ងន់ 4.5N ពីក្ដារក្រាលដាក់លើធ្នើរទូសៀវភៅមួយកម្ពស់ 2m ។គណនាកម្មន្តនៃកម្លាំងដែលសិស្សនោះបានបញ្ចេញ។
W = 12J
W = 11J
W = 10J
W = 9J
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