angular

(adjective)

Relating to an angle or angles; having an angle or angles; forming an angle or corner; sharp-cornered; pointed; as in, an angular figure.

Related Terms

  • kinematics

Examples of angular in the following topics:

  • Angular Acceleration, Alpha

    • Angular acceleration is the rate of change of angular velocity, expressed mathematically as $\alpha = \Delta \omega/\Delta t$ .
    • Angular acceleration is the rate of change of angular velocity.
    • Angular acceleration is defined as the rate of change of angular velocity.
    • In equation form, angular acceleration is expressed as follows:
    • The units of angular acceleration are (rad/s)/s, or rad/s2.
  • Constant Angular Acceleration

    • Constant angular acceleration describes the relationships among angular velocity, angle of rotation, and time.
    • Simply by using our intuition, we can begin to see the interrelatedness of rotational quantities like θ (angle of rotation), ω (angular velocity) and α (angular acceleration).
    • Similarly, the kinematics of rotational motion describes the relationships among rotation angle, angular velocity, angular acceleration, and time.
    • As in linear kinematics where we assumed a is constant, here we assume that angular acceleration α is a constant, and can use the relation: $a=r\alpha $ Where r - radius of curve.Similarly, we have the following relationships between linear and angular values: $v=r\omega \\x=r\theta $
    • Relate angle of rotation, angular velocity, and angular acceleration to their equivalents in linear kinematics
  • Rotational Collisions

    • In a closed system, angular momentum is conserved in a similar fashion as linear momentum.
    • For objects with a rotational component, there exists angular momentum.
    • Angular momentum is defined, mathematically, as L=Iω, or L=rxp.
    • An object that has a large angular velocity ω, such as a centrifuge, also has a rather large angular momentum.
    • After the collision, the arrow sticks to the rolling cylinder and the system has a net angular momentum equal to the original angular momentum of the arrow before the collision.
  • Conservation of Angular Momentum

    • The law of conservation of angular momentum states that when no external torque acts on an object, no change of angular momentum will occur.
    • The conserved quantity we are investigating is called angular momentum.
    • The symbol for angular momentum is the letter L.
    • If the change in angular momentum ΔL is zero, then the angular momentum is constant; therefore,
    • (I: rotational inertia, $\omega$: angular velocity)
  • Rotational Angle and Angular Velocity

    • Although the angle itself is not a vector quantity, the angular velocity is a vector.
    • Angular acceleration gives the rate of change of angular velocity.
    • The angle, angular velocity, and angular acceleration are very useful in describing the rotational motion of an object.
    • The object is rotating with an angular velocity equal to $\frac{v}{r}$.
    • The direction of the angular velocity will be along the axis of rotation.
  • Relationship Between Torque and Angular Acceleration

    • Torque is equal to the moment of inertia times the angular acceleration.
    • Torque and angular acceleration are related by the following formula where is the objects moment of inertia and $\alpha$ is the angular acceleration .
    • Similar to Newton's Second Law, angular motion also obeys Newton's First Law.
    • Torque, Angular Acceleration, and the Role of the Church in the French Revolution
    • Express the relationship between the torque and the angular acceleration in a form of equation
  • Angular Quantities as Vectors

    • The direction of angular quantities, such as angular velocity and angular momentum, is determined by using the right hand rule.
    • Angular momentum and angular velocity have both magnitude and direction and, therefore, are vector quantities.
    • The direction of angular momentum and velocity can be determined along this axis.
    • The right hand rule can be used to find the direction of both the angular momentum and the angular velocity.
    • The direction of angular velocity ω size and angular momentum L are defined to be the direction in which the thumb of your right hand points when you curl your fingers in the direction of the disk's rotation as shown.
  • Relationship Between Linear and Rotational Quantitues

    • The description of motion could be sometimes easier with angular quantities such as angular velocity, rotational inertia, torque, etc.
    • When we describe the uniform circular motion in terms of angular velocity, there is no contradiction.
    • The velocity (i.e. angular velocity) is indeed constant.
    • This is the first advantage of describing uniform circular motion in terms of angular velocity.
    • For the description of the motion, angular quantities are the better choice.
  • Angular vs. Linear Quantities

    • It has the same set of vector quantities associated with it, including angular velocity and angular momentum.
    • The units of angular velocity are radians per second.
    • Just as there is an angular version of velocity, so too is there an angular version of acceleration.
    • Just like with linear acceleration, angular acceleration is a change in the angular velocity vector.
    • Angular velocity can be clockwise or counterclockwise.
  • Angular Velocity, Omega

    • where an angular rotation Δ takes place in a time Δt.
    • The units for angular velocity are radians per second (rad/s).
    • Angular velocity ω is analogous to linear velocity v.
    • A larger angular velocity for the tire means a greater velocity for the car.
    • Examine how fast an object is rotating based on angular velocity
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