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Question (1)

QN002141

A force of 120 N acts on an area of 6 m². What pressure is produced?

(A) 10 Pa
(B) 20 Pa
(C) 60 Pa
(D) 720 Pa

Correct Answer: B

Explanation:

Pressure = Force ÷ Area = 120 ÷ 6 = 20 Pa

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Question (2)

QN002142

Pressure is defined as:

(A) Force × Area
(B) Area ÷ Force
(C) Force per unit area
(D) Mass per unit volume

Correct Answer: C

Explanation:

Pressure is force acting per unit area.

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Question (3)

QN002143

Why are broad straps preferred in school bags?

(A) They increase weight
(B) They reduce pressure on shoulders
(C) They reduce force of gravity
(D) They increase friction

Correct Answer: B

Explanation:

Broad straps increase area and reduce pressure.

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Question (4)

QN002144

A girl applies a force of 200 N on an area of 4 m². Find the pressure exerted.

(A) 25 Pa
(B) 50 Pa
(C) 100 Pa
(D) 800 Pa

Correct Answer: B

Explanation:

Pressure = 200 ÷ 4 = 50 Pa

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Question (5)

QN002145

Which of the following produces maximum pressure?

(A) A blunt knife cutting fruit
(B) A nail struck on its head
(C) A sharp knife cutting fruit
(D) A thick rope carrying load

Correct Answer: C

Explanation:

Sharp edges have smaller area and produce more pressure.

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Question (6)

QN002146

The SI unit of pressure is:

(A) Newton
(B) Joule
(C) Pascal
(D) Watt

Correct Answer: C

Explanation:

The SI unit of pressure is pascal (Pa).

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Question (7)

QN002147

A force of 500 N acts on an area of 0.5 m². The pressure exerted is:

(A) 100 Pa
(B) 250 Pa
(C) 500 Pa
(D) 1000 Pa

Correct Answer: D

Explanation:

Pressure = 500 ÷ 0.5 = 1000 Pa

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Question (8)

QN002148

Why is it easier to drive a pointed nail into wood than a blunt nail?

(A) Pointed nails are heavier
(B) Pointed nails reduce force
(C) Smaller area produces greater pressure
(D) Blunt nails increase friction

Correct Answer: C

Explanation:

Smaller area increases pressure.

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Question (9)

QN002149

Two bags have equal weight. One has broad straps and the other narrow straps. Which bag exerts more pressure on the shoulders?

(A) Broad strap bag
(B) Narrow strap bag
(C) Both exert equal pressure
(D) Cannot be determined

Correct Answer: B

Explanation:

Narrow straps have smaller area, so pressure is more.

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Question (10)

QN002150

A pressure of 250 Pa acts on an area of 2 m². What is the force applied?

(A) 125 N
(B) 250 N
(C) 500 N
(D) 1000 N

Correct Answer: C

Explanation:

Force = Pressure × Area = 250 × 2 = 500 N

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Question (1)

A force of 120 N acts on an area of 6 m². What pressure is produced?

Explanation:

Link:

Question (2)

Pressure is defined as:

Explanation:

Link:

Question (3)

Why are broad straps preferred in school bags?

Explanation:

Link:

Question (4)

A girl applies a force of 200 N on an area of 4 m². Find the pressure exerted.

Explanation:

Link:

Question (5)

Which of the following produces maximum pressure?

Explanation:

Link:

Question (6)

The SI unit of pressure is:

Explanation:

Link:

Question (7)

A force of 500 N acts on an area of 0.5 m². The pressure exerted is:

Explanation:

Link:

Question (8)

Why is it easier to drive a pointed nail into wood than a blunt nail?

Explanation:

Link:

Question (9)

Two bags have equal weight. One has broad straps and the other narrow straps. Which bag exerts more pressure on the shoulders?

Explanation:

Link:

Question (10)

A pressure of 250 Pa acts on an area of 2 m². What is the force applied?

Explanation:

Link:

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