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Question (1)

QN006412

What is a simple machine?

(A) A device that increases temperature
(B) A device that makes work easier
(C) A device that produces electricity
(D) A device that stores energy

Correct Answer: B

Explanation:

Simple machines help us do work more easily.

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Question (2)

QN006413

Which of the following is a simple machine?

(A) Lever
(B) Refrigerator
(C) Computer
(D) Television

Correct Answer: A

Explanation:

Lever is a simple machine.

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Question (3)

QN006414

A machine that helps lift heavy loads using a rope and wheel is called:

(A) Lever
(B) Pulley
(C) Screw
(D) Wedge

Correct Answer: B

Explanation:

Pulley uses a rope and wheel to lift loads.

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Question (4)

QN006415

The fixed point about which a lever rotates is called:

(A) Load
(B) Effort
(C) Fulcrum
(D) Pivot arm

Correct Answer: C

Explanation:

Fulcrum is the turning point of a lever.

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Question (5)

QN006416

In a lever, the force applied is known as:

(A) Load
(B) Effort
(C) Motion
(D) Energy

Correct Answer: B

Explanation:

Effort is the applied force.

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Question (6)

QN006417

Which class of lever has fulcrum between effort and load?

(A) First class lever
(B) Second class lever
(C) Third class lever
(D) Circular lever

Correct Answer: A

Explanation:

In first class lever, fulcrum lies in the middle.

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Question (7)

QN006418

A seesaw is an example of:

(A) Pulley
(B) Screw
(C) First class lever
(D) Wedge

Correct Answer: C

Explanation:

Seesaw is a first class lever.

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Question (8)

QN006419

Which simple machine is used in a knife?

(A) Pulley
(B) Inclined plane
(C) Wedge
(D) Wheel and axle

Correct Answer: C

Explanation:

Knife acts as a wedge.

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Question (9)

QN006420

The sloping surface used to raise heavy loads is called:

(A) Screw
(B) Lever
(C) Inclined plane
(D) Pulley

Correct Answer: C

Explanation:

Inclined plane reduces effort.

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Question (10)

QN006421

A staircase is an example of:

(A) Lever
(B) Inclined plane
(C) Pulley
(D) Wheel and axle

Correct Answer: B

Explanation:

Staircase is an inclined plane.

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Question (1)

What is a simple machine?

Explanation:

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Question (2)

Which of the following is a simple machine?

Explanation:

Link:

Question (3)

A machine that helps lift heavy loads using a rope and wheel is called:

Explanation:

Link:

Question (4)

The fixed point about which a lever rotates is called:

Explanation:

Link:

Question (5)

In a lever, the force applied is known as:

Explanation:

Link:

Question (6)

Which class of lever has fulcrum between effort and load?

Explanation:

Link:

Question (7)

A seesaw is an example of:

Explanation:

Link:

Question (8)

Which simple machine is used in a knife?

Explanation:

Link:

Question (9)

The sloping surface used to raise heavy loads is called:

Explanation:

Link:

Question (10)

A staircase is an example of:

Explanation:

Link:

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