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Differentiate between mass and weight.
Mass: Measure of inertia | Weight: Force due to gravity.
What are the differences between static and kinetic friction?
Static Friction: Prevents motion | Kinetic Friction: Opposes motion.
Compare and contrast applied force and tension force.
Applied Force: External push or pull | Tension Force: Force exerted by a rope or string.
What are the differences between force and acceleration?
Force: A push or pull on an object | Acceleration: The rate of change of velocity.
Compare and contrast mass and inertia.
Mass: A measure of an object's inertia | Inertia: An object's resistance to changes in its state of motion.
In a free-body diagram, what does the length of a force vector represent?
The magnitude of the force.
In a free-body diagram, what does the direction of a force vector represent?
The direction in which the force is acting.
Define Newton's Second Law.
The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass: $$ \vec{F}_{net} = m\vec{a} $$.
What is net force?
The vector sum of all forces acting on an object.
Define mass.
A measure of an object's inertia (resistance to acceleration).
What is acceleration?
The rate of change of velocity.
Define a Free-Body Diagram (FBD).
A visual representation of all the forces acting on an object.
What is gravitational force?
The force of attraction between objects with mass, always pointing downward.
What is normal force?
The force exerted by a surface on an object, perpendicular to the surface.