Force Vector Components and Resultants

Force Vector Components and Resultants

Assessment

Interactive Video

Physics, Mathematics, Science

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

This video tutorial demonstrates how to add forces together using an example problem. It begins by introducing the concept of force addition and then explains how to deconstruct force vectors into horizontal and vertical components. The tutorial provides detailed calculations for each force component and shows how to sum these components to find the resultant force vector. The example problem concludes with a visualization of the resultant force acting on a structure, emphasizing the concept of replacing multiple forces with a single resultant force.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving the problem of finding the resultant force?

Add all forces directly.

Deconstruct each force into components.

Ignore the vertical components.

Use only the horizontal components.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the horizontal component of force F1 calculated?

60 cotangent 30

60 tangent 30

60 sine 30

60 cosine 30

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the vertical component of force F1?

60 sine 30

-60 cosine 30

-60 sine 30

60 cosine 30

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the horizontal component of force F2?

40 sine 60

40 cotangent 60

40 cosine 60

40 tangent 60

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the vertical component of force F2?

40 sine 60

40 cosine 60

40 tangent 60

40 cotangent 60

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is force F3 characterized?

Entirely vertical

Entirely horizontal

Both horizontal and vertical

Neither horizontal nor vertical

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the resultant force vector's direction?

Purely upwards

Purely downwards

To the right

To the left

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