Motion In a Straight line
PHYSICS CONCEPT
DISTANCE
The total length of the path traveled by an object, regardless of direction. (Total Path Length)
VECTOR QUANTITY
DISPLACEMENT
The shortest straight-line distance from initial to final position. (Vector: Change in position)
SCALAR QUANTITY
SPEED
The rate at which an object covers distance. Equation: Speed = Distance / Time
RATE OF CHANGE
VELOCITY
The rate of change of displacement with respect to time. Equation: Velocity = Displacement / Time
MOTION DYNAMICS
ACCELERATION
The rate at which an object changes its velocity. Equation: Acceleration = (Final Velocity - Initial Velocity) / Time
MOTION DYNAMICS
RETARDATION
The reduction in speed or rate of motion. Equation: Retardation = (Initial Velocity - Final Velocity) / Time
UNIVERSAL FORCE
GRAVITATIONAL ACCELERATION
The acceleration of an object caused by the force of gravity. Symbol: g. Average value on Earth: 9.81 m/s²
FORCE OF GRAVITY
WEIGHT
The force exerted on an object due to gravity. Equation: Weight = Mass * Gravitational Acceleration (W = mg)
LUNAR DYNAMICS
MOON'S GRAVITY
The acceleration due to gravity on the Moon is approximately 1.62 m/s², about 1/6th of Earth's gravity.
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