What is a pulley ?

Important Questions on Simple Machines

MEDIUM

6th ICSE

IMPORTANT

Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 26

What is the mechanical advantage of an ideal pulley?

MEDIUM

6th ICSE

IMPORTANT

Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 27

The mechanical advantage of an actual pulley is less than one. Give a reason. What is the justification for using the pulley then ?

MEDIUM

6th ICSE

IMPORTANT

Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 28

Draw a neat labelled diagram showing a pulley being used to lift a load. How are load and effort related in an ideal situation ?

MEDIUM

6th ICSE

IMPORTANT

Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 29

What is an inclined plane? What is its mechanical advantage ? Give two examples where it is used.

MEDIUM

6th ICSE

IMPORTANT

Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 30

What is a screw ? Give two examples.

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6th ICSE

IMPORTANT

Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 31

What is wheel and axle ? Give two examples.

MEDIUM

6th ICSE

IMPORTANT

Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 32

How does a wheel help in moving the axle ?

MEDIUM

6th ICSE

IMPORTANT

Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 33

What is a wedge? Give two examples