Copy and Complete this table. Force (N) Area( m 2 ) Pressure( N / m 2 ) 10 2 25 5 3 5 30 12 40 4 5 6

Force (N) Area( m 2 ) Pressure( N / m 2 ) 10 2 5 25 5 5 15 3 5 30 12 2.5 40 10 4 30 5 6 P r e s s u r e = F o r c e A r e a 1 . P = 10 2 = 5 N / m 2 2 . A = 25 5 = 5 m 2 3 . F = 3 × 5 = 15 N 4 . P = 30 12 = 2 . 5 N / m 2 5 . A = 40 4 = 10 m 2 6 . F = 5 × 6 = 30 N

E M B I B E

Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 10 - Moments, Pressure and Density>Exercise 4

Lucy Hawkins, Fran Eardley, Stuart Lloyd and, Gemma Young Solutions for Chapter: Moments, Pressure and Density, Exercise 4: Exercise 4

Author:Lucy Hawkins, Fran Eardley, Stuart Lloyd & Gemma Young

Lucy Hawkins Science Solutions for Exercise - Lucy Hawkins, Fran Eardley, Stuart Lloyd and, Gemma Young Solutions for Chapter: Moments, Pressure and Density, Exercise 4: Exercise 4

Attempt the free practice questions on Chapter 10: Moments, Pressure and Density, Exercise 4: Exercise 4 with hints and solutions to strengthen your understanding. Cambridge Lower Secondary Science Stage 9: Student's Book solutions are prepared by Experienced Embibe Experts.

Questions from Lucy Hawkins, Fran Eardley, Stuart Lloyd and, Gemma Young Solutions for Chapter: Moments, Pressure and Density, Exercise 4: Exercise 4 with Hints & Solutions

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 10 - Moments, Pressure and Density>Exercise 4>Q 1

Copy and Complete this table.

Force (N)	Area( $m^{2}$ )	Pressure( $N / m^{2}$ )
$10$	$4 . P = \frac{30}{12} = 2.5 N / m^{2}$
$25$		$5$
	$3$	$5$
$30$	$12$
$40$		$4$
	$5$	$6$

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 10 - Moments, Pressure and Density>Exercise 4>Q 2

Isidor decides to measure the pressure of some object by pressing each one into some modelling clay to measure the area it has. What must Isidor keep the same to measure the pressure?

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 10 - Moments, Pressure and Density>Exercise 4>Q 3

Abel cuts a slice of bread with a knife. He decides that because it was so easily cut, he must have used a lot of force. Is this correct?

EASY

Lower Secondary Stage 9

IMPORTANT

Cambridge Lower Secondary Science Stage 9: Student's Book>Chapter 10 - Moments, Pressure and Density>Exercise 4>Q 4

Agnar wants to measure the pressure two of his classmates exert on the floor when they stand in their bare foot. He measures Rupinder's foot area and her weight when she takes her shoes off; and he measures Kauri's foot area and his weight when he is wearing shoes. Why is this not a fair test?

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