Sean Patrick Flanery
Kane
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In mechanics, acceleration is the rate of change of the velocity of an object with respect to time. Acceleration is one of several components of kinematics, the study of motion. Accelerations are vector quantities (in that they have magnitude and direction).
Acceleration is the name we give to any process where the velocity changes. Since velocity is a speed and a direction, there are only two ways for you to accelerate: change your speed or change your direction—or change both.
- an alternative way of thinking about it would be if velocity equals rate x direction, if you change any variable in that it would change the veloci...
- Quite late, but "flooring it" does refer to suddenly speeding up, and applies especially to cars- It stems from the fact that (at least in older ca...
- Good, clear question. Maybe this helps... F=ma right? so if they are equal, they are in the same direction. Kinda makes sense I guess: if you push...
- Probably no. And the force that drag us backward IS inertia. (Sorry if I'm mistaken. You seemed to treat inertia and 'the force that drag us backwa...
- It all depends on what directions you assign to positive direction of your axis, if it is in the positive direction then is it positive.
- Speed is the magnitude of velocity. Velocity is a vector, which means it has two parts: first, your velocity has a magnitude, which just answers th...
- Your current velocity is 34 m/s in the opposite direction of what is considered the "positive" direction, so it is -34 m/s. Acceleration, 8 m/s^2,...
- Generally, the right side is indicated as the positive direction whilst the left side as the negative direction.
- Just look at the direction of the CHANGE in velocity. If the change is toward the positive direction, it's positive.
Learn what acceleration is and how it affects the speed and direction of motion. Find out how to measure acceleration and the different types of acceleration, such as uniform, centripetal, and orbital.
- The Editors of Encyclopaedia Britannica
Learn what is acceleration, how to calculate it, and what are its units and types. See examples of acceleration in different situations and how to distinguish it from velocity.
- 1 min
- When an object is moving in a circle and its acceleration vector is pointed towards the centre of that circle, it is known as centripetal accelerat...
- Gravitational acceleration is used for indicating the intensity of the gravitational field. It is expressed as m/s2 and its value on the surface of...
- Tangential acceleration is defined as the rate of change of the tangential velocity of a particle in a circular orbit. There are 3 possible values...
- When there is an acceleration of an object along the radius directed towards the centre, it is known as radial acceleration. It is expressed as rad...
- The acceleration due to the rotation of the earth is known as the Coriolis acceleration. This acceleration is experienced by the particles that mov...
Learn the definition, types, units, and effects of acceleration in physics. Find out how acceleration is related to velocity, position, force, and gravity, and see examples and problems.
Acceleration is the rate at which they change their velocity. Acceleration is a vector quantity; that is, it has a direction associated with it. The direction of the acceleration depends upon which direction the object is moving and whether it is speeding up or slowing down.
Learn what acceleration is, how to calculate it and how to interpret it in different units. Watch a video and see examples of acceleration in cars, sports and everyday life.
- 9 min
- Sal Khan
