IB Physics Topic 1 Definitions
It is the velocity travelled per unit time or displacement travelled per square unit time
The friction air exerts on an object's motion through it
The angle at which the axes of one frame of reference deviate from another in a spacetime diagram
The change in angular momentum due to the application of an external torque over an extended time
The momentum of rotational motion, calculated as the moment of the linear momentum around the axis of rotation
It is the angle travelled per unit time
The speed averaged over the total distance travelled
It is the acceleration of an object towards the center of the circle during uniform circular motion
It is the force that causes centripetal acceleration
It is the energy stored in the bonds of molecules
It is the net distance an object has travelled from its starting point in a direction
It is the amount of space travelled
The force fluid resistance exerts on an object
The force exerted to stop a moving surface from moving
It is the ratio of useful energy output to the total energy input
It is the energy an object holds when it is compressed or tensed
It is the energy produced by the flow of charged particles
The force between two electrically charged objects
The ability to move a unit force a unit distance, measured in joules. ie the amount of work done
It is the energy released per unit volume of fuel
The state of all forces on an object being balanced and cancelling out to zero
The friction a fluid exerts on an object's motion through it
It is when an object falls in the absence of air resistance
The force a surface parallely exerts to counteract another surface's motion
It is energy extracted from source to power devices
It is the attractive force exerted by an object's mass on another object
It is the energy an object holds by being above a surface
It is the change of momentum
The speed at a particular point in time
Quantities that remain constant and do not vary between observers, including spacetime interval, proper time interval, proper length, and rest mass
It is the energy of movement
The phenomenon where objects appear shorter in the direction of motion when moving at high velocities relative to a stationary observer
A conceptual device used to illustrate time dilation, where the time taken for light to bounce between mirrors increases with the clock's velocity
The force between two magnetic objects
It is the product of mass and velocity
It is the movement of an object
It is the energy produced by the nuclear decomposition of an atom
It is the time required to complete one rotation
It is the rate of energy transfer or rate of work done
It is when an object is launched into the air in a parabolic path
The force a surface perpendicularly exerts on an object due to its weight
It is an object's velocity from a frame of reference
A state where there is no resultant torque acting on an object, meaning it has no angular acceleration
The concept that the simultaneity of events depends on the observer's frame of reference, meaning events that are simultaneous in one frame may not be in another
It is the energy of sound waves
It is the energy released per unit mass of fuel
It is the distance travelled per unit time
The force exerted to stop another resting surface from moving
The force a spring, rope, or cable exerts along its length in both directions to another object
It is the energy of heat an object holds
The phenomenon where time appears to move slower for objects moving at higher velocities relative to a stationary observer
The turning effect of a force around a given axis, calculated as the product of the force and the perpendicular distance from the axis of rotation to the line of action of the force
A state where there is no resultant force acting on an object, meaning it has no translational acceleration
Motion in which all particles of an object move in parallel paths
The motion of an object in a circle at a constant speed
It is the displacement per unit time
It is the measure of energy required to apply a force to move an object in the direction of the force