
Работа. Мощность. 7 класс
Authored by Татьяна Блинова
Physics
1st Grade
Used 12+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Механическая мощность характеризует......
быстроту движения
быстроту действия сил
быстроту совершения работы
быстроту изменения скорости
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Велосипедист за 5 с совершил работу 400 Дж. Вычисли механическую мощность велосипедиста.
2000 Вт
50 Вт
80 Вт
8 Вт
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
При механической мощности 100 Вт за 1 мин можно совершить работу, равную ...
6 кДж
100 Дж
0,6 Дж
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Как обозначается механическая мощность?
A
N
F
s
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
По какой формуле можно вычислить механическую мощность?
N=A/t
A=F*s
N=mg
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Единица измерения мощности в СИ?
В (вольт)
Вт (ватт)
Н (ньютон)
Дж (джоуль)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Единицы измерения механической работы в СИ?
Дж (джоуль)
В (вольт)
Вт (ватт)
Н (ньютон)
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