MEDIUM
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Describe the three types of levers. Give two examples of each.

Important Questions on Functions

MEDIUM

Find four types of simple machines from the following word puzzle.

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MEDIUM
A doorknob is an example of:
EASY
What do you understand by an ideal machine? How does it differ from a practical machine?
EASY
A device that makes our work easier and faster is called a simple _____.
EASY
A simple machine can make our work easier.
HARD

Recall and complete the concept map given below.

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EASY

Choose the right word from the given options:

Simple machines are of _____ (two, six) types.

EASY
Name a machine to change the point of application of force?
EASY
What is a machine?
MEDIUM

Complete the concept map.

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MEDIUM

Read the clues and fill up the crossword:

Across:

1. A nail with grooves.

2. A push or pull.

3. A rod fixed at one end.

4. A wheel that rotates with a rope.

5. Method to reduce friction in machines.

Down: 

6. A wheel that spins on a bar.

2. A force that stops movement.

7. A change bought by applying force.

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EASY
Name the six types of simple machines.
HARD
Complex machines are made up of multiple simple machines. Discuss.
EASY
Only complex machines make our work easier.
EASY
Name a machine to multiply force?
MEDIUM
Define a simple machine. Name the six types of simple machines.
EASY
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
EASY
Name a machine to obtain gain in speed?
EASY
The fixed point around which the rod (in a lever) moves is called.
MEDIUM
Name the six simple machines giving an example for each.