How Can You Increase the Mechanical Advantage of a Lever?

How can you increase the mechanical advantage of a lever?

One Line Answer

The mechanical advantage of a lever can be increased by increasing the effort arm or reducing the load arm.

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Chapter 4: Simple Machines - Short/Long answer questions

Chapter 4 Simple Machines
Short/Long answer questions | Q 22

Give one example of a class I lever where the mechanical advantage is more than 1.

Name the class to which the following lever belong:

a nutcracker

Name the class to which the following lever belong:

a pair of sugar tongs

State three differences between the three classes of levers.

Name the machine to which the following belong:

Lemon crusher

Answer the following in a word or two or in a sentence.

Given an example of a Class I lever.

Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.

Draw a labelled diagram of a class II lever. Give one example of such a lever.

Class III levers have mechanical advantage less than one. Why are they then used?

Classify the following into levers:

Claw hammer