EASY
Earn 100

What is a screw? Describe its use.

Important Questions on Simple Machines

MEDIUM
Environmental Studies>Physical Science>Simple Machines>Screw
An inclined plane wound around a rod is_____.
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Environmental Studies>Physical Science>Simple Machines>Screw
Define screw.
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Environmental Studies>Physical Science>Simple Machines>Screw
Give two examples where screws are used.
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Environmental Studies>Physical Science>Simple Machines>Screw
How would you show that a screw is actually an inclined plane?
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Environmental Studies>Physical Science>Simple Machines>Screw
A screw is used for holding objects together.
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Environmental Studies>Physical Science>Simple Machines>Screw
A _____ is a machine which looks like a nail with grooves cut into it.
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Environmental Studies>Physical Science>Simple Machines>Screw

Identify the type of simple machine:

Question Image   

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Environmental Studies>Physical Science>Simple Machines>Screw

Question Image

The above-shown figure is of which simple machine: _____. [pulley/screw/wedge]

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Environmental Studies>Physical Science>Simple Machines>Screw
Why is a screw better than a nail to join two objects?
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Environmental Studies>Physical Science>Simple Machines>Screw

Give reason.

A screw's strength depends on its threads.   

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Environmental Studies>Physical Science>Simple Machines>Screw
What is the screw? Mention its uses.
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Environmental Studies>Physical Science>Simple Machines>Screw
Which of these is an example of a screw?
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Environmental Studies>Physical Science>Simple Machines>Screw
The spiral groove in a screw is called thread.
MEDIUM
Environmental Studies>Physical Science>Simple Machines>Screw
How are screws different from nails? Which one will you choose to hold things tightly?
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Environmental Studies>Physical Science>Simple Machines>Screw
What does a screw's power depend on?
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Environmental Studies>Physical Science>Simple Machines>Screw

A screw is a long nail with a spiral _____  (lever/screw) type of simple machine.

MEDIUM
Environmental Studies>Physical Science>Simple Machines>Screw
Which of these is a modification of an inclined plane?
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Environmental Studies>Physical Science>Simple Machines>Screw
A modification of inclined plane that has threads _____.
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Environmental Studies>Physical Science>Simple Machines>Screw
What is a screw's power depended on?    
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Environmental Studies>Physical Science>Simple Machines>Screw
In what ways is a screw better than a nail?