A screw has 4 threads per centimeter and a circumference of 2 centimeters. The mechanical advantage of the screw is?
2 answers:
Answer:
Mechanical advantage = 8
Explanation:
It is given that,
A screw has 4 threads per centimeter.
The circumference of the screw, C = 2 cm = 0.02 m
The mechanical advantage of a screw is given by :
.............(1)
Pitch of a screw is defined as the number of threads per inch on the screw i.e.
Pitch = 1 / number of threads per inch or cm
or pitch = 1/4
MA = 8
Hence, the mechanical advantage of the screw is 8.
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Answer:The correct answer is option 4.
Explanation:
Arrhenius acids are those compounds which gives ions when dissolved in their aqueous solution.
Arrhenius bases are those compounds which gives ions when dissolved in their aqueous solution.
are Arrhenius acids because they form
ions in their respective aqueous solution.
Hence, the correct answer is option 4.