
仕事②(仕事の原理、仕事率)
Authored by Aito Sugino
Science
8th Grade
Used 9+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
仕事(J)=力の大きさ( )×力の向きに働いた距離( )
( )に当てはまるアルファベットを答えは?
N/M
M/n
S/v
N/m
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
定滑車では、力の大きさ、力の距離は
変わらない
変わる
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
動滑車では、力の大きさが( )倍になる。
0.5
1.5
2
0.25
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
動滑車では、力を加える距離が( )倍になる
1.5
2
3
0.5
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
てこを使う場合は、( )、( )から支点までの距離の比で加える力が決まる。
作用点/力点
物体/支点
支点/物体
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
作用点、力点までの距離は1:2であれば、力の大きさは( )倍、力を加える距離は( )倍になる。
1.5/3
0.5/2
4/8
0.5/2.5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
左の問題の時、力の大きさは何Nになるのか答えよ
5
10
17
24
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