Practice Dot Product - 2.1 | 1. A vector and its representation | Solid Mechanics
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

Calculate the dot product for vectors a = (1, 2) and b = (3, 4).

💡 Hint: Use the formula a · b = a1 * b1 + a2 * b2.

Question 2

Easy

What is the dot product of a vector with itself, for example, c = (5, 5)?

💡 Hint: Remember, the dot product of a vector with itself yields the square of its magnitude.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the result of the dot product between two perpendicular vectors?

  • 1
  • 0
  • -1

💡 Hint: Remember the geometric interpretation.

Question 2

True or False: The dot product yields a vector result.

  • True
  • False

💡 Hint: Think about the nature of the output.

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Challenge Problems

Push your limits with challenges.

Question 1

Given three vectors: a = (3, 1, 2), b = (1, 4, 0), and c = (2, -1, 3), find the dot product of a and b, and then determine the angle between c and the resultant vector of a and b.

💡 Hint: Don't forget to calculate the magnitudes for the final angle determination.

Question 2

Two vectors have a dot product of -12, Suggest possible values for their magnitudes and the angle between them.

💡 Hint: Think about how multiplying positive and negative components give a negative value?

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