SCIENCE QUIZ (CLASS 8 , SIMPLE MACHINE)
6th - 9th Grade
•40 Qs
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SCIENCE QUIZ (CLASS 8 , SIMPLE MACHINE)
Quiz
•
Science
•
6th - 9th Grade
•
Practice Problem
•
Hard
Devendra Karna
Used 9+ times
FREE Resource
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40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The SI unit of effort is
(a) Joule
(b) Newton
(c) Meter
(d) Watt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The fixed point about which lever turns is :
(a) Effort
(b) Fulcrum
(c) Load
(d) Force
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The simple machine makes our work ……………… and faster.
(a) Easier.
(b) complex
(c) delay
(d) use full
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A rigid bar that is capable of turning about a fixed point is called :
(a) pulley
(b) Screw
(c) Lever
(d) Machine
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The fixed point about which lever turns is :
(a) Effort
(b) Fulcrum
(c) Load
(d) Force
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is called when the force is applied to the machine while doing work?
(a) Fulcrum
(b) Load
(c) Effort
(d) Output work
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula to calculate input work
(a) Input work = Effort × load arm
(b) Input work = Load × load arm
(c) Input work = Effort × effort arm
(d) Input work = load arm × load
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