Linear Motion

These flashcards cover key terms related to linear motion, including definitions and concepts important for understanding the principles of motion in physics.

Speed

The distance covered per unit of time.

Instantaneous Speed

The speed of an object at a specific moment in time.

Average Speed

Total distance covered divided by the total time interval.

Velocity

Speed in a given direction; a vector quantity.

Acceleration

The rate of change of velocity over time.

Free Fall

The motion of an object falling under the influence of gravity alone.

Vector Quantity

A quantity that includes both magnitude and direction.

Scalar Quantity

A quantity that only has magnitude and no direction.

Constant Velocity

Motion at a constant speed in a straight line.

Changing Velocity

A change in speed or direction.

Galileo's Inclined Plane

An experiment devised by Galileo to study acceleration by using inclined planes.

Gravity (g)

The acceleration due to gravity, approximately 9.8 m/s² on the surface of the Earth.

d = 1/2 g t²

The formula to calculate the distance fallen by an object in free fall.

Velocity Acquired

The instantaneous velocity of an object after it has been accelerating.

Relative Motion

The calculation of the motion of an object as observed from a particular reference point.

Deceleration

Negative acceleration; a decrease in velocity.