0.4 Notes check

Which of the following is a characteristic of scalars?

• They have both magnitude and direction.

• They have only magnitude.

• They have only direction.

• They have neither magnitude nor direction.

Which of the following is an example of a scalar quantity?

• Velocity

• Force

• Distance

• Acceleration

What does the term "distance" refer to in the context of scalars?

• A measure of displacement in a specific direction.

• A measure of total space traveled that can decrease.

• A measure of total space traveled that only increases.

• A measure of speed in a specific direction.

What is a scalar quantity?

• A quantity with both magnitude and direction

• A quantity with only magnitude

• A quantity with only direction

• A quantity with neither magnitude nor direction

What does the delta symbol (Δ) represent in physics?

• The average of a quantity

• The initial value of a quantity

• The change in the quantity that follows it

• The sum of a quantity

How can vectors be decomposed?

• Into scalar components

• Into x and y components

• Into magnitude and time components

• Into speed and distance components

If a person walks 5 meters east, rests, and then walks 10 meters west, what is the total displacement?

• 5 meters west

• 5 meters east

• 15 meters east

• 10 meters west

What is the vector sum of 5 units East and 2 units North?

• 7 units Northeast

• 5 units North

• 5 units East and 2 units North

• 3 units East and 2 units North

What is the first step in adding vectors according to the image?

• Draw the first vector, beginning at the origin, with its tail at the origin.

• Draw the second vector, starting at the head of the first vector.

• Calculate the magnitude of the vector.

• Determine the angle of the vector.

What is the first step in adding vectors according to the image?

• Draw the first vector, beginning at the origin, with its tail at the origin.

• Draw the second vector, starting from the head of the first vector.

• Calculate the magnitude of the vector.

• Determine the angle of the vector.