Match the column A with column B and column C. A B C 1. Lever a. Sloping i) Slide 2. Wheel b. Inclined plane ii) V-shaped 3. Inclined plane c. Load iii) Rolling pin 4. Wedge d. Axle iv) Effort

A lever is a simple machine which is preferably used for load holding purposes. Here it has a fixed point called the fulcrum. The arrangement of load, effort and fulcrum determines the type of lever. The wheel and axle is a simple machine consisting of a large wheel secured to a smaller wheel or rod called an axle. When either the wheel or axle turns, t he other part also turns. The linear motion of the axle is obtained by rotating the wheel to reduce friction. An inclined plane is a simple machine which is used to lower or raise heavy objects with the help of a sloped surface. It helps to lift things up. As the slope is steeper, more effort is required to push the load. A machine helps us to do work with less effort. A wedge is a simple machine composed of one or two inclined planes placed together in the shape of a V. A double wedge can be thought of as two inclined planes joined together with their sloping surfaces outward. A B C 1. Lever c. Load iv) Effort 2. Wheel d. Axle iii) Rolling pin 3. Inclined plane a. Sloping i) Slide 4. Wedge b. Inclined plane ii) V-shaped

A	B	C
1. Lever	a. Sloping	i) Slide
2. Wheel	b. Inclined plane	ii) V-shaped
3. Inclined plane	c. Load	iii) Rolling pin
4. Wedge	d. Axle	iv) Effort

Read the clues and unscramble the words given below to get the names of some common levers. Write the name of a lever. Also, identify the class it belongs to (class 1, 2 or 3). I am made of wood. You use me to hit a ball out of the playground for a six!

Important Questions on Functions

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Read the clues and unscramble the words given below to get the names of some common levers. Write the name of a lever. Also, identify the class it belongs to (class $1$ , $2$ or $3$ ).

I am made of wood. You use me to hit a ball out of the playground for a six!