Classify the following as a lever, a pulley and an inclined plane :
A wedge, a needle, a staircase, a slide, the wheel of a flagpole, nutcrackers, scissors, an opener, an axe, a crane, a knife.

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Solution

A wedge: An inclined plane
A needle: An inclined plane
A staircase: An inclined plane
A slide: An inclined plane
The wheel of a flagpole: A pulley
Nutcrackers: A lever
Scissors: A lever
An opener: A lever
An axe: An inclined plane
A crane: A pulley
A knife: An inclined plane

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Similar questions

Answer the following questions :

(a) What are simple machines? Give examples.

(b) What are the advantages of using a machine?

(d) What can you use as an inclined plane?

(e) What is meant by a lever?

(f) What is meant by a complex machine? Give an example.

(g) How many types of levers are there? On what basis are they classified?

(h) What should we do to take care of machines?

A wooden slab, starting from rest, slides down an inclined plane of length 10m with an acceleration of 5m/s^2. What would be it's speed at the bottom of inclined plane?

Q. A body of mass

2 kg

is sliding on an inclined plane as shown

Mass of the wedge is

4 kg

. Find the velocity of the wedge just before the body reaches the ground.

Q. A knife is an example of wedge.

Q. A body of mass

2 kg

is sliding on an inclined plane as shown

Mass of the wedge is

4 kg

. Find the velocity of the wedge just before the body reaches the ground.

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Classify the following as a lever, a pulley and an inclined plane : A wedge, a needle, a staircase, a slide, the wheel of a flagpole, nutcrackers, scissors, an opener, an axe, a crane, a knife.

A wedge: An inclined plane A needle: An inclined plane A staircase: An inclined plane A slide: An inclined plane The wheel of a flagpole: A pulley Nutcrackers: A lever Scissors: A lever An opener: A lever An axe: An inclined plane A crane: A pulley A knife: An inclined plane

Classify the following as a lever, a pulley and an inclined plane :
A wedge, a needle, a staircase, a slide, the wheel of a flagpole, nutcrackers, scissors, an opener, an axe, a crane, a knife.

A wedge: An inclined plane
A needle: An inclined plane
A staircase: An inclined plane
A slide: An inclined plane
The wheel of a flagpole: A pulley
Nutcrackers: A lever
Scissors: A lever
An opener: A lever
An axe: An inclined plane
A crane: A pulley
A knife: An inclined plane