HARD
6th ICSE
IMPORTANT
Earn 100

Differentiate between a single fixed pulley and a single movable pulley.

Important Questions on Simple Machines

HARD
6th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 5 - Simple Machines>EVALUATION>Q 4
List four steps to be taken for proper care of machines.
HARD
6th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 5 - Simple Machines>EVALUATION>Q 1
Explain how it is possible for a thin child to lift a heavy child on a seesaw.
MEDIUM
6th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 5 - Simple Machines>EVALUATION>Q 2

Why do you need less effort to drive in a screw through a piece of wood rather than to hammer in a nail?

EASY
6th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 5 - Simple Machines>EVALUATION>Q 1
You use a lever with a mechanical advantage of 30. How heavy a load can you lift with an effort of 100 N?
HARD
6th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 5 - Simple Machines>EVALUATION>Q 2
The effort arm of a lever is 120 cm long and the load arm is 80 cm long. What is the effort needed to raise a load of 60 N weight? What is the mechanical advantage of this lever?
EASY
6th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 5 - Simple Machines>EVALUATION>Q 3
A  man has to lift a sack of sugar weighing 240 N. If he uses a single fixed pulley, how much effort will be needed to apply? What will be the mechanical advantage?