Resultant: Real-world Applications

Mathematics
Grade 8
14 questions
~28 mins
1 views0 downloads

About This Worksheet

A worksheet exploring the concept of Resultant vectors through real-world scenarios and practice problems for Grade 8 students.

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Full preview • 14 questions

Resultant: Real-world Applications

Subject: MathematicsGrade: Grade 8
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Untitled Worksheet

Grade Grade 8
A

Introduction

Read the key concept below before attempting the questions.
1.
The resultant vector of two vectors is found by adding their corresponding components. If vectors are represented as columns, the resultant is the sum of these columns. The formula for the resultant R of vectors A and B is R = A + B.
[2 marks]
B

Fluency & Practice

Answer all questions. Show your working in the grid spaces provided.
1.
Given vector A = [3, 4] and vector B = [1, 2], find the resultant vector R.
[2 marks]
2.
Calculate the sum of vectors A = [−2, 5] and B = [7, −3].
[2 marks]
3.
Add vectors A = [0, 6] and B = [4, −2]. What is the resultant?
[2 marks]
C

Target Level Practice

Complete the following problems involving the calculation of resultants in various contexts.
1.
A boat moves 5 km east and then 3 km north. Represent these movements as vectors and find the resultant displacement vector.
[3 marks]
2.
Two forces are applied to an object: Force A = [6, 2] and Force B = [−3, 4]. What is the combined force acting on the object?
[3 marks]
3.
A cyclist travels 10 km south and then 8 km west. Find the resultant vector representing the cyclist's net displacement.
[3 marks]
4.
If vector P = [2, −3] and vector Q = [4, 5], what is P + Q?
[2 marks]
5.
Add vectors [−1, 7] and [3, −4]. What is the resultant?
[2 marks]
D

Challenge & Extension

Attempt these more advanced problems for extra challenge.
1.
A drone flies 12 km northeast and then 5 km southeast. Represent these movements as vectors and find the resultant vector.
[4 marks]
2.
A hiker walks 8 km west and then 6 km south. What is the resultant displacement vector?
[3 marks]
E

Mixed Review

Solve these questions to review your understanding of resultants.
1.
Combine vectors [3, −2] and [−1, 4] and verify your answer by calculating the magnitude of the resultant.
[3 marks]
2.
A car moves 15 km east and then 20 km north. Find the resultant displacement and its approximate magnitude.
[4 marks]
F

Error Analysis

Review the common mistake below and identify the error. Then, correct the calculation.
1.
Student's incorrect addition: [2, 5] + [3, −2] = [5, 3]. Find the mistake and give the correct resultant.
[3 marks]

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Details

Created
1/1/2026
Updated
1/1/2026
Type
worksheet