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A is used to lift and carry heavy objects like vehicles from the ground.

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Important Questions on Force and Machine

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Science>Physics>Force and Machine>Machines

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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Science>Physics>Force and Machine>Machines

Complete the concept map.

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Science>Physics>Force and Machine>Machines
Write about some simple machines which we use every day.
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Science>Physics>Force and Machine>Machines
A simple machine can make our work easier.
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Science>Physics>Force and Machine>Machines

Recall and complete the concept map given below.

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Science>Physics>Force and Machine>Machines
What do you understand by a simple machine?
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Science>Physics>Force and Machine>Machines
A device that makes our work easier and faster is called a simple _____.
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Science>Physics>Force and Machine>Machines
Name the six types of simple machines. Describe any two simple machines in detail.
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Science>Physics>Force and Machine>Machines
Complex machines are made up of multiple simple machines. Discuss.
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Science>Physics>Force and Machine>Machines

Choose the correct word from the bracket and fill in the blank.

Levers and pulleys are examples of _____ (simple/ complex) machines.

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Science>Physics>Force and Machine>Machines
What is a machine?
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Science>Physics>Force and Machine>Machines
Define a simple machine. Name the six types of simple machines.
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Science>Physics>Force and Machine>Machines
Explain why scissors for cutting cloth may have blades longer than the handles, but shears for cutting metals have short blades and long handles.
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Science>Physics>Force and Machine>Machines
Name the six types of simple machines.
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Science>Physics>Force and Machine>Machines
What are the uses of simple machines? Explain with the help of any two types of simple machines.
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Science>Physics>Force and Machine>Machines
What do you understand by an ideal machine? How does it differ from a practical machine?
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Science>Physics>Force and Machine>Machines

Match the following.

Column- A Column-B
1) Lever a) Ramp
2) Inclined plane b) Axe
3) Screw c) Scissor
4) Wedge d) Flag pole
5) Pulley e) Screw jack
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Science>Physics>Force and Machine>Machines

Frame two questions on the two simple machines given below. Write the answers to the questions.

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Science>Physics>Force and Machine>Machines
How is a wedge different from an inclined plane?
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Science>Physics>Force and Machine>Machines
A doorknob is an example of: