cross product moment example

cross product moment example

Assessment

Interactive Video

Physics, Science

University

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to find the moment about a point due to a force using the cross product method. It covers the concepts of position and force vectors, breaking them into components, and calculating the cross product. The tutorial also demonstrates evaluating the determinant and interpreting the result using the right-hand rule, emphasizing the clockwise direction of the moment.

Read more

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary method used in this tutorial to find the moment about a point?

Scalar multiplication

Vector addition

Dot product

Cross product

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which component of the position vector is zero according to the right-hand rule?

Z component

All components

X component

Y component

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the magnitude of the force component in the X direction?

300 sine 30

300 cosine 30

300

300 tangent 30

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What mathematical tool is used to calculate the cross product in this tutorial?

Integration

Determinant

Differentiation

Matrix inversion

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which direction does the moment vector point according to the right-hand rule?

To the left

To the right

Into the page

Out of the page

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the magnitude of the moment vector calculated in the tutorial?

150 Newton meters

259.8 Newton meters

559.8 Newton meters

300 Newton meters

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What alternative method is suggested for solving the problem?

Using only the Z component

Splitting the force into X and Y components

Ignoring the force vector

Using the dot product