2.1 - WG - Understanding Scalars and Vectors

A car travels 4 km east and then 3 km north. What is the magnitude of the car's displacement from its starting point?

• 5 km

• 7 km

• 1 km

• 12 km

Tags

TX.112.45.C.5.B.

Which of the following is a vector quantity?

• Speed

• Distance

• Displacement

• Temperature

Tags

TX.112.45.C.5.B.

A person walks 6 m east and then 8 m south. What is the magnitude of the resultant displacement?

• 10 m

• 14 m

• 2 m

• 48 m

Tags

TX.112.45.C.5.B.

Which of the following best describes a scalar quantity?

• Has both magnitude and direction

• Has only magnitude

• Has only direction

• Has neither magnitude nor direction

Tags

TX.112.45.C.5.B.

• 13 units

• 17 units

• 7 units

• 60 units

Tags

TX.112.45.C.5.B.

Which operation is used to find the total effect of two vectors acting at right angles to each other?

• Multiplication

• Pythagorean theorem

• Subtraction

• Division

Tags

TX.112.45.C.5.B.

A student adds two vectors: 7 m east and 24 m north. What is the magnitude of the resultant vector?

• 25 m

• 31 m

• 17 m

• 168 m

Tags

TX.112.45.C.5.B.

Which of the following is NOT a vector quantity?

• Velocity

• Acceleration

• Mass

• Force

Tags

TX.112.45.C.5.B.

If a vector of 10 units points north and another vector of 10 units points south, what is the magnitude of their sum?

• 0 units

• 10 units

• 20 units

• 5 units

Tags

TX.112.45.C.5.B.

A boat travels 9 km west and then 12 km south. What is the magnitude of the boat's displacement from its starting point?

• 15 km

• 21 km

• 3 km

• 108 km

Tags

TX.112.45.C.5.B.