1D Motion Review

Front

What does the particle model of a parked car look like?

Back

A single dot.

Front

What must be true about images used in a motion diagram?

Back

They are taken at equal intervals of time.

Front

If you throw a baseball straight up, what is its acceleration at the highest point?

Back

- 9.8 m/s².

Front

What is the magnitude of the force exerted by a satellite on an astronaut if the astronaut exerts a 75 N force on the satellite?

Back

75 N.

Front

What does the Greek letter Delta (Δ) indicate?

Back

A change in quantity.

Front

What is the definition of velocity?

Back

Velocity is the speed of an object in a specific direction.

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity (magnitude only), while velocity is a vector quantity (magnitude and direction).

Front

What is the formula for calculating acceleration?

Back

Acceleration = (Final Velocity - Initial Velocity) / Time.

Front

What is the unit of acceleration in the SI system?

Back

Meters per second squared (m/s²).

Front

What does a flat line on a distance-time graph represent?

Back

The object is at rest.