Page 74 - Physics Form 5 KSSM_Neat

Solving Problems in Daily Life Involving Pascal's Principle

Example 1
Figure 2.26 shows a hydraulic Input force, Output force, F
system. Calculate: F = 12 N 2
1
KEMENTERIAN PENDIDIKAN MALAYSIA
(a) the multiplying factor
(b) the output force, F
2

Surface area, Surface area,
A = 10 cm 2 A = 50 cm 2
1 2

Hydraulic fluid
Figure 2.26
Solution

(a) Step 1: Step 2: Step 3: Step 4:
Identify the Identify the Identify the formula Solve the problem
problem information given that can be used numerically

A
 Multiplying factor of the hydraulic system 3 Multiplying factor = 2
A
1
2 Surface area, A = 10 cm 2  Multiplying factor = 50
1
Surface area, A = 50 cm 2 = 5 10
2
(b) Output force, F LET’S ANSWER
LET’S ANSWER
2
Multiplying factor = 5
Input force, F = 12 N
1 A
Output force, F = A 2 × F 1
2
1
= 5 × 12
= 60 N http://bit.ly/
307ltvD

64 LS 2.4.4