Physics Skills Review

Velocity is an example of a

• Vector

• Scalar

A girl walks 10 m due North. Then she turns and walks 30 m due South. What is the magnitude of the girl's displacement?

• 30m

• 20m

• 40m

Time is an example of a

• Vector

• Scalar

Which one of these shows a correct example of Tip to Tail method for adding vectors?

• 
• 
• 
• 

What is the sum of multiple vectors called?

• Scalar

• Vector Combination

• Resultant Vector

• Force

Tags

NGSS.HS-PS2-2

The Pythagorean theorem a² + b² = c² applies to every right-angled triangle, whatever the dimensions.

• True

• False

TRUE or FALSE:

Vectors A, B, and C are added together as A + B + C. If the order in which they are added is changed to C + B + A, then the result would be different.

• TRUE

• FALSE

How many significant figures are in 127.500?

What is the scientific notation of 243,000?

• 2.43 × 10^-5

• 2.43000 × 10^-5

• 2.43 × 10⁵

• 2.43000 × 10⁵

Write 0.00278 in scientific notation.

• 27.8 x 10^-4

• 2.78 x 10^3

• 2.78 x 10 ^-3

• 278 x 10^-3