Match the following. 1. is of three kinds a. pulley 2. nail with a groove b. wheel and axle 3. wheel connected to a rod c. lever 4. wheel with a rope on its groove d. inclined plane 5. a gentle slope e. screw

A lever is a simple machine which is of three kinds or classes. First, second and third class according to the position of fulcrum, load and effort. A screw is a simple machine which is a nail with groove. Wheel and axle is a type of simple machine that has a large wheel connected to a small rod called an axle. It transfers the force from one part of the machine to another part. Pulley is a wheel with a rope on its groove. Pulling on the rope from one side lifts the object attached to the other side. An inclined plane is a gentle slope which helps us to move a heavy load with lesser effort. 1. is of three kinds c. lever 2. nail with groove e. screw 3. wheel connected to a rod b. wheel and axle 4. wheel with a rope on its groove a. pulley 5. a gentle slope d. inclined plane

E M B I B E

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>Assessment Zone>Q 5

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5th CBSE

IMPORTANT

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A screw is an inclined plane that is wrapped around a cylinder spirally.

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Important Questions on Force, Energy and Simple Machines

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5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>Assessment Zone>Q 1

Against the following, write L if it is a lever; I if it is an inclined plane; and W if it is a wheel and axle.
Egg beater.

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5th CBSE

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REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>Assessment Zone>Q 2

For the simple machine given below, write L if it is a lever; I if it is an inclined plane; and W if it is a wheel and axle.

Bottle opener

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5th CBSE

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REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>Assessment Zone>Q 3

Against the following, write L if it is a lever; I if it is an inclined plane; and W if it is a wheel and axle.

Ramp on a car service station _____.

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5th CBSE

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REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>Assessment Zone>Q 4

For the simple machine given below, write L if it is a lever; I if it is an inclined plane; and W if it is a wheel and axle.

Sewing machine

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5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>Assessment Zone>Q 5

Against the following, write $L$ if it is a lever; $I$ if it is an inclined plane; and $W$ if it is a wheel and axle.

Scissors _____

MEDIUM

5th CBSE

IMPORTANT

REVISED LONGMAN ACTIVE SCIENCE.>Chapter 5 - Force, Energy and Simple Machines>Assessment Zone>Q 1

Match the following.

1. is of three kinds	a. pulley
2. nail with a groove	b. wheel and axle
3. wheel connected to a rod	c. lever
4. wheel with a rope on its groove	d. inclined plane
5. a gentle slope	e. screw