
The direction of the velocity of a body can change when its ...
Sep 15, 2021 · An object can have a changing direction of velocity, and this is still called an acceleration, but the acceleration itself need not change (constant acceleration, meaning its …
kinematics - What does the magnitude of the acceleration mean ...
Feb 9, 2014 · The magnitude of the acceleration vector normal to the path is the centripetal acceleration as it goes around the instantaneous radius of curvature $\rho (t)$. The combined magnitude is the …
Direction of velocity and acceleration for a pendulum
The acceleration and velocity are tangentially in the same direction when the pendulum is speeding up, and tangentially in opposite directions whenever the pendulum is slowing down, as it should be.
How can we understand acceleration direction (positive or negative)?
Note that negative acceleration means positive deceleration and vice-versa. As gravity pulls the ball toward earth, it's velocity gradually decreases to zero at the top position of its trajectory. That means …
kinematics - What does a negative acceleration mean? Is the object ...
May 26, 2019 · I am confused about such things as negative velocity, acceleration, and displacement and what the negative indicates.
Can a object with constant acceleration change its direction of motion ...
May 11, 2020 · Got it already, it can indeed change its direction but only one time. Considering, for example, throwing a object in the air on the Earth, it will start with a velocity (with opposite direction …
Uniform Circular Motion: Angular Displacement, Velocity and …
The term "Uniform circular motion" can be defined as the kind of motion of an object in a circle at a constant speed. With uniform circular motion, as an object moves in a particular circle, the direction …
Direction of centripetal acceleration - Physics Stack Exchange
Sep 7, 2024 · There is a derivation of centripetal acceleration in uniform circular motion which uses an isosceles triangle as shown in the following diagram: My question now follows: The direction of the …
kinematics - Can an object reverse its direction of acceleration even ...
Jul 14, 2014 · Acceleration is the rate of change of the velocity. For motion in a line, if the object is slowing down, the acceleration is opposite the velocity. If the object is speeding up, the acceleration …
A simple derivation of the Centripetal Acceleration Formula?
Jul 12, 2015 · The direction of the force is evidently the direction of the acceleration or the limit of change of velocity with respect to time. So, to find the direction, let's think of an infinitesimal situation. …