7.1 – Verifying the Law of Vector Addition (Leaving Cert Physics): Quizzes
📚Quizzes
Practise the questions
13 questions from this quiz
ShowHide
Practise the questions
13 questions from this quiz
What is the combined effect of two or more vectors acting simultaneously called?
What is the combined effect of two or more vectors acting simultaneously called?
Resultant
In the parallelogram law, what represents the resultant of two forces?
In the parallelogram law, what represents the resultant of two forces?
The diagonal of the parallelogram
How does the triangle law relate to the parallelogram law?
How does the triangle law relate to the parallelogram law?
They are mathematically equivalent
When three forces act at a point in equilibrium, what is the net resultant?
When three forces act at a point in equilibrium, what is the net resultant?
Zero
How many pulleys are required for the two-dimensional vector addition experiment?
How many pulleys are required for the two-dimensional vector addition experiment?
Two
What should be applied consistently to all three force vectors in the 2D experiment?
What should be applied consistently to all three force vectors in the 2D experiment?
The same scale
What is the relationship between the parallelogram diagonal and the third force?
What is the relationship between the parallelogram diagonal and the third force?
Points in opposite direction
What must pulleys do to ensure accuracy in the two-dimensional experiment?
What must pulleys do to ensure accuracy in the two-dimensional experiment?
Rotate smoothly and freely
When collinear forces act in the same direction, how do they combine?
When collinear forces act in the same direction, how do they combine?
They add arithmetically
How many spring balances are needed for the one-dimensional experiment?
How many spring balances are needed for the one-dimensional experiment?
Three
In Part 1 of the 1D experiment, what are the readings on the two balances?
In Part 1 of the 1D experiment, what are the readings on the two balances?
Identical
In Part 2, how do the two same-direction balances relate to the opposite one?
In Part 2, how do the two same-direction balances relate to the opposite one?
Their sum equals the opposite balance
What must the trolley wheels do to ensure accurate results in the 1D experiment?
What must the trolley wheels do to ensure accurate results in the 1D experiment?
Rotate freely