Scalar and Vectors

What is a magnitude?

• A numeric value.
• A direction.

A scalar is a magnitude _____.

• With direction.
• Without direction.

Wind blowing at 20 mph.Vector or scalar?

• Scalar
• Vector

30 m/sec, East. Scalar or Vector

• Scalar
• Vector
• Neither

A deer running 15 meters per second due west.Vector or scalar?

• Scalar
• Vector

Distance and direction of an object's change in position from a starting point

• displacement
• distance
• motion
• reference point

 Amy runs 2 miles south, then turns around and runs 3 miles north. What is displacement?

• 5 miles
• 1 mile 
• 2 miles south
• 1 mile north 

Which of the following is always positive?

• vector
• scalar
• direction
• magnitude

Which of the following may you do to a vector without changing it?

• Add a nonzero vector to a vector.
• Multiply a vector by a scalar other than 1.
• Rotate a vector through any angle other than 360 degrees.
• Move the vector without changing its orientation.

The _______ of two or more vectors is the sum of the vectors.

• components
• scalar
• resultant
• magnitude

Tags

NGSS.HS-PS2-4