Physics Skills Review

Front

On a graph, which axis shows the dependent variable?

Back

The dependent variable is shown on the y-axis.

Front

What is time an example of?

Back

Time is an example of a scalar quantity.

Front

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?

Back

The magnitude of the girl's displacement is 20 m.

Front

What is the scientific notation of 243,000?

Back

The scientific notation of 243,000 is 2.43 × 10^5.

Front

Write 0.00278 in scientific notation.

Back

0.00278 in scientific notation is 2.78 x 10^-3.

Front

What is a scalar quantity?

Back

A scalar quantity is a physical quantity that has magnitude only and no direction.

Front

What is a vector quantity?

Back

A vector quantity is a physical quantity that has both magnitude and direction.

Front

Define displacement.

Back

Displacement is the shortest distance from the initial to the final position of an object, along with the direction.

Front

What is the difference between distance and displacement?

Back

Distance is a scalar quantity representing the total path length traveled, while displacement is a vector quantity representing the shortest path between two points.

Front

What does scientific notation help with?

Back

Scientific notation helps express very large or very small numbers in a compact form.