MEDIUM
6th ICSE
IMPORTANT
Earn 100

Define an inclined plane. Give two uses of inclined planes.

Important Questions on Simple Machines

MEDIUM
6th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 5 - Simple Machines>EVALUATION>Q 6
Give two examples each of a wedge, and a wheel and axle arrangement.
HARD
6th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 5 - Simple Machines>EVALUATION>Q 1
What is an ideal machine and what is its efficiency? Why is this not achievable in practice? 
HARD
6th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 5 - Simple Machines>EVALUATION>Q 2
Define the three kinds of levers. Draw diagrams to show the position of the fulcurum, load, and effort in each of them.
HARD
6th ICSE
IMPORTANT
FRANK NEW CERTIFICATE - Physics>Chapter 5 - Simple Machines>EVALUATION>Q 3
Differentiate between a single fixed pulley and a single movable pulley.
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?