MEDIUM
6th ICSE
IMPORTANT
Earn 100

Explain the working of a wheel and axle system in brief. How can the handle of a bicycle be considered as an example of wheel and axle system?

Important Questions on Energy

MEDIUM
6th ICSE
IMPORTANT
Explain the principle of working of a wedge with the help of a suitable example.
MEDIUM
6th ICSE
IMPORTANT
Explain how the use of simple machines allows a person to use less force for the same amount of work done.
EASY
6th ICSE
IMPORTANT

Differentiate between the following:

Movable pulley and fixed pulley

EASY
6th ICSE
IMPORTANT

Differentiate between the following:

Lever of class I, II, and III.

EASY
6th ICSE
IMPORTANT

Differentiate between the following:

Pulley, and wheel and axle

EASY
6th ICSE
IMPORTANT
A load of 120 N is kept at a distance of 1.5 m from the fulcrum of a lever. At what distance an effort of 40 N need to be applied to balance the lever?
EASY
6th ICSE
IMPORTANT
What minimum effort is needed to lift a load of 150 N using a lever whose mechanical advantage is 1.5?
EASY
6th ICSE
IMPORTANT
A crowbar of length 10 m has a fulcrum at a distance of 4 m from one end. Calculate the effort required to lift a load of 120 N.