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Question (41)

QN006452

Which simple machine is used to cut paper?

(A) Wedge
(B) Lever
(C) Scissors
(D) Both A and B

Correct Answer: D

Explanation:

Scissors combine lever and wedge action.

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Question (42)

QN006453

A machine with mechanical advantage 1 only changes:

(A) Force
(B) Direction
(C) Mass
(D) Energy

Correct Answer: B

Explanation:

Such machines mainly change direction of force.

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Question (43)

QN006454

The load arm of a lever is the distance between:

(A) Effort and load
(B) Fulcrum and load
(C) Fulcrum and effort
(D) Effort and machine

Correct Answer: B

Explanation:

Load arm is measured from fulcrum to load.

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Question (44)

QN006455

Which simple machine is used in mountain roads?

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

Correct Answer: C

Explanation:

Mountain roads are inclined planes.

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Question (45)

QN006456

A machine lifts 300 N load using 100 N effort. Mechanical advantage equals:

(A) 1
(B) 2
(C) 3
(D) 4

Correct Answer: C

Explanation:

MA = 300 ÷ 100 = 3

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Question (46)

QN006457

Which simple machine is used in stapler pins?

(A) Screw
(B) Wedge
(C) Pulley
(D) Wheel and axle

Correct Answer: B

Explanation:

Stapler pins work like wedges.

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Question (47)

QN006458

The effort arm of a lever is distance between:

(A) Load and effort
(B) Fulcrum and effort
(C) Fulcrum and load
(D) Machine and force

Correct Answer: B

Explanation:

Effort arm is distance from fulcrum to effort.

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Question (48)

QN006459

Which machine is best suited to lift water from a deep well easily?

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

Correct Answer: A

Explanation:

Pulley helps lift loads vertically.

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Question (49)

QN006460

Which of the following is not a simple machine?

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

Correct Answer: C

Explanation:

Bicycle is a complex machine made of many simple machines.

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Question (50)

QN006461

A machine has load 900 N and mechanical advantage 3. Effort applied is:

(A) 100 N
(B) 200 N
(C) 300 N
(D) 600 N

Correct Answer: C

Explanation:

Effort = Load ÷ MA = 900 ÷ 3 = 300 N

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Question (41)

Which simple machine is used to cut paper?

Explanation:

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Question (42)

A machine with mechanical advantage 1 only changes:

Explanation:

Link:

Question (43)

The load arm of a lever is the distance between:

Explanation:

Link:

Question (44)

Which simple machine is used in mountain roads?

Explanation:

Link:

Question (45)

A machine lifts 300 N load using 100 N effort. Mechanical advantage equals:

Explanation:

Link:

Question (46)

Which simple machine is used in stapler pins?

Explanation:

Link:

Question (47)

The effort arm of a lever is distance between:

Explanation:

Link:

Question (48)

Which machine is best suited to lift water from a deep well easily?

Explanation:

Link:

Question (49)

Which of the following is not a simple machine?

Explanation:

Link:

Question (50)

A machine has load 900 N and mechanical advantage 3. Effort applied is:

Explanation:

Link:

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