EASY
6th ICSE
IMPORTANT
Earn 100

Define the term 'work input' and 'work output' in relation to a machine.

Important Questions on Simple Machines

EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 8
Explain the term mechanical advantage of a machine.
EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 9
Define the term efficiency of a machine.
EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 10
What is an ideal machine ?
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 12
'A machine is 75% efficient'. What do you understand by this statement ?
EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 13
What is a lever?
MEDIUM
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 14
Describe three orders of levers giving an example of each. Draw neat diagrams showing the positions of fulcrum, load and effort in each kind of lever.
EASY
6th ICSE
IMPORTANT
Concise Physics Middle School for Class 6>Chapter 4 - Simple Machines>TEST YOURSELF>Q 15
What do you mean by the mechanical advantage of a lever?