EASY
6th ICSE
IMPORTANT
Earn 100

What is an ideal machine ?

Important Questions on Simple Machines

EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 11
Can a machine have an efficiency of 100 % ? Give a reason to support your answer.
EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 19

Name the class to which the following lever belong:

 A pair of scissors: ( class one, class two, class three)

EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 19

Name the class to which the following lever belong:

a beam balance. (class one, class two)

MEDIUM
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 19

Name the class to which the following lever belong:

a see-saw. (class one, class two)

MEDIUM
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 22
How can you increase the mechanical advantage of a lever?
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 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.