EASY
6th ICSE
IMPORTANT
Earn 100

Due to which force does the wear and tear of machine parts occur?

Important Questions on Energy

EASY
6th ICSE
IMPORTANT

Define the following term.

Mechanical advantage

EASY
6th ICSE
IMPORTANT

Define the following term:

Velocity ratio

EASY
6th ICSE
IMPORTANT

Define the following term:

Input

EASY
6th ICSE
IMPORTANT

Define the following term:

Efficiency

EASY
6th ICSE
IMPORTANT
What is a machine? Why do we use machines?
EASY
6th ICSE
IMPORTANT
How is a wheel a simple machine?
EASY
6th ICSE
IMPORTANT
State the different types of lever. Give two examples of each.
EASY
6th ICSE
IMPORTANT

Classify the following levers as class-I, class-II, class-III:

Wheelbarrow, beam balance, crowbar, a pair of scissors, tweezers, lemon sqeezers.