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Question
______ help us to make work easier.
Options
Ramp
Simple machines
Work
Energy
Pulley
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Solution
Simple machines help us to make work easier.
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RELATED QUESTIONS
What do you understand by a machine?
Define the term ‘work input’ and ‘work output’ in relation to a machine.
Answer the following in short.
Mention any two methods by which we can take care of machines.
State the kind of lever which always has mechanical advantage less than 1. Draw a labelled diagram of such a lever.
Comment on the statement ‘The mechanical advantage of a machine is greater than 1’. Give an example of a lever mechanical advantage is:
(i) greater than 1.
(ii) Equal to 1.
Give an example of the following use of a machine to change the point of application of the force.
Which machine will you use to do the following work? Write their type.
To lift bricks to the top of a tall building.
Which machine will you use to do the following work? Write their type.
To draw water from a well.
What is a lever?
Simple machines usually exchange a larger force to move a heavy object.
