This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Chapter 9 Simple Machine - Test 3
1.
The first foremost simple machine is
1) lever
2) Inclined plane
3) Wheel
4) pulley
2.
The point around which lever is rotated is
1) pulley
2) Fulcrum
3) a.effort arm
4) load arm
3.
M. A of screw Jack
1) M.A= Load
2) M.A=R
3) M.A = 1
4) M.A 2Pi l/h
4.
The force applied on the machine for doing work is called__________
Click here to enter your answer!
5.
Things which help in doing work are called _________
Click here to enter your answer!
6.
The weight lifted by a machine is called ____________
Click here to enter your answer!
7.
The work done by the force applied on the machine is called __________
Click here to enter your answer!
8.
Work = Force x ________
Click here to enter your answer!
9.
The work done by the machine are called _________
Click here to enter your answer!
10.
Percentage efficiency = output x 100
Click here to enter your answer!
11.
A bar which can move around any point is called _________
Click here to enter your answer!
12.
Judo game of Japanese is based on the Principal of _________
Click here to enter your answer!
13.
The point at which lever moves is called ________
Click here to enter your answer!
14.
The moment of effort is the product of effort and _________
Click here to enter your answer!
This is more feedback!
This is the feedback!
