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Chapter 9 Simple Machine - Test 4
1.
Mechanical Advantage ;of a single moveable pulley is __________
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2.
A surface whose one end is higher than the other end is called an ________
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3.
A machine which is used for replacing punctured tyre is called _________
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4.
In wheel and axel the cylinder of bigger radius is called _________
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5.
Mechanical Advantage of wheel and axle is always greater than _________
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6.
The product of load and load arm is called ________
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7.
Our arm is an example of ________ kind of lever
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8.
With the help of __________ we draw water form the well
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9.
Screw Jack has __________ parts
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10.
In an ideal machines input = _________
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11.
Mechanical Advantage of Screw Jack = _____________
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12.
One part of screw Jack is called Bolt and other part is called ___________
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13.
There are __________ kind of lever
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14.
In wheel and axle radius of the wheel is _________
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