Understanding Vectors and Scalars in Physics

Which of the following is a scalar quantity?

• Displacement

• Speed

• Velocity

• Acceleration

Which of the following quantities has both magnitude and direction?

• Scalar

• Vector

• Mass

• Temperature

Which of the following is NOT a vector quantity?

• Momentum

• Work

• Acceleration

• Force

What is the result of adding two vectors in the same direction?

• Their difference

• Their sum

• Zero

• The product

Which operation is used to find the component of a vector along a given direction?

• Cross product

• Dot product

• Scalar multiplication

• Vector addition

If a car travels 100 meters north and then 100 meters south, what is its displacement?

• 0 meters

• 100 meters

• 200 meters

• 50 meters

Which of the following statements is true about scalar multiplication of a vector?

• It changes the direction but not the magnitude

• It changes the magnitude but not the direction (unless the scalar is negative)

• It always results in a scalar

• It has no effect on the vector