Walker Physics Exam Study Guide (Ch 1-4 SY 24-25)

Front

What is acceleration?

Back

Acceleration is the rate of change of velocity of an object. It can be positive (speeding up), negative (slowing down), or zero (constant speed).

Front

What is the difference between speed and velocity?

Back

Speed is a scalar quantity that refers to how fast an object is moving, while velocity is a vector quantity that includes both speed and direction.

Front

What does a position-time graph represent?

Back

A position-time graph plots the position of an object on the y-axis against time on the x-axis, showing how the position changes over time.

Front

How is displacement defined?

Back

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

Front

What is the formula for calculating average speed?

Back

Average speed = Total distance traveled / Total time taken.

Front

What is the significance of the slope in a position-time graph?

Back

The slope of a position-time graph represents the velocity of the object; a steeper slope indicates a higher velocity.

Front

What is uniform motion?

Back

Uniform motion occurs when an object moves at a constant speed in a straight line.

Front

What is the relationship between acceleration and velocity?

Back

Acceleration is the change in velocity over time; it can increase or decrease the speed of an object.

Front

What does a negative acceleration indicate?

Back

Negative acceleration indicates that an object is slowing down.

Front

What is the difference between instantaneous speed and average speed?

Back

Instantaneous speed is the speed of an object at a specific moment in time, while average speed is the total distance divided by the total time.