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Is there a velocity to the eastern direction to an object which is having a acceleration to the west?
Wiki User
∙ 12y ago
Yes, if it is already moving East but decelerating i.e. accelerating to the west. The other condition when there is velocity to the east while accelerating to the west is when it is moving at an angle to the East-West line.
Wiki User
∙ 12y ago
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Can a body moving at a constant speed have acceleration?
Yes. Acceleration is any change in velocity. Velocity is a vector quantity because it includes both speed and direction. Speed is a scalar quantity and does not include direction. Therefore, if your motion is changing direction, then you have a changing velocity regardless of your speed. And a changing velocity means you have acceleration.
When a body has constnat velocity what is the acceleration?
The acceleration is zero for a body having constant velocity.
What are vectors and 1 example?
Vector is magnitude and direction. As opposed to scalar having only direction. Example: Velocity Acceleration Applying this to a question could be observeted as the bus moved 40km/h in a East direction.
Why is velocity tangential to the path of a body?
Velocity is a vector; having direction. So, when changing direction constatly to have velocity a tangent can be drawn to the constantly changing path of the object having velocity.
What is directional acceleration?
It's a vector quantity of acceleration, having both magnitude and direction.
What is the difference between speed and acceleration?
Speed is the measurement of how fast your locationis changing. It is the scalar value of velocity, which is speed in a given direction. Velocity can change without a change in speed.Acceleration is the measurement of how fast your speed is changing. However, since acceleration is more precisely a change in velocity, you could experience acceleration without a change in speed, if your direction of motion changes. The occupants of a car traveling at constant speed around a curve will experience acceleration toward one side of the car.Speed is simply how fast a person is going at a particular instant in time. As long as you keep going at the same speed and in the same direction, then you have no acceleration. Conversely, acceleration can be defined as the process of changing speed. So, just as having zero speed means that one's position, or distance, does not change, so having zero acceleration means one speed does not change.The word speed refers to how fast one is moving but does not involve the concept of which direction one is moving. However, acceleration can be achieved by changing the direction of motion as well as by changing the rate of motion. The concept required is the idea of a vector, which is a quantity that has both magnitude and direction. In an extreme case, moving in a circle at a constant speed does nothing to change speed, but does change the direction of motion, and so is a case where there is acceleration.
Newton's second law for rotational motion?
I am not sure whether Newton actually stated this law... It's more like an analogy, or equivalent. It is still valid, though. Newton's Second Law for linear movement: force = mass x acceleration. The equivalent for rotational movement: torque = (moment of inertia) x (angular acceleration). Keeping it simple: acceleration = change in velocity/time for change. Velocity is a vector having both size and direction, thus any change in direction changes velocity. Not its magnitude, just its direction. A change in velocity with time means the object is accelerating. To do this a force must be applied perpendicular to the direction of the velocity vector to pull the object round into a circle. F=ma applies, therefore.
If the acceleration is increasing with time will the velocity graph be a straight line concave up or concave down?
Concave up. "Acceleration is increasing with time" tells us that the derivative of acceleration is positive. Since acceleration is the derivative of velocity, this means that the second derivative of velocity is positive. By definition, having a non-negative second derivative means that velocity is concave up.
When a force on an object increases how does the object's acceleration change?
All objects possess the characteristic we refer to as mass. Mass is a measure of an object's natural resistance to any force applied to it. An object may be considered as having a velocity with respect to a given reference frame. This velocity can take any value from zero to just under the speed of light. If an object experiences an applied force, that force will cause the object's velocity to change. The change is at a rate and direction that is absolutely dependant on the direction of the applied force with respect to the original direction of motion of the object. If the applied force increases then so does the rate of change of velocity. If the force and any increase is applied in a direction with the motion of the object, the result is a positive acceleration, causing an increase of speed - or velocity. If the force and any increase of that force is applied in a direction opposing the original motion of the particle, this results in a negative acceleration resulting in a decrease in the objects speed - or velocity.
Can a body resting on a table have zero velocity and nonzero acceleration?
It depends on the frame of reference (where it is).On Earth a body on a table is still rotating around the centre of the Earth. This implies a change of direction and thus having a velocity around the centre and an acceleration acceleration due to centripetal force that makes a body follow a curved path. Eben without this the body is orbiting the sun with the same impact
Diference between velocity and speed?
Velocity has speed and direction. Speed only has speed. --------------------------------------------------------------------------------------- Speed is a scalar quantity having only magnitude But velocity is a vector quantity having both magnitude and direction. So a body is said to move with uniform speed around a circle but not with uniform velocity as the direction is always changing.
When a force on a object increases how does the objects acceleration change?
All objects possess the characteristic we refer to as mass. Mass is a measure of an object's natural resistance to any force applied to it. An object may be considered as having a velocity with respect to a given reference frame. This velocity can take any value from zero to just under the speed of light. If an object experiences an applied force, that force will cause the object's velocity to change. The change is at a rate and direction that is absolutely dependant on the direction of the applied force with respect to the original direction of motion of the object. If the applied force increases then so does the rate of change of velocity. If the force and any increase is applied in a direction with the motion of the object, the result is a positive acceleration, causing an increase of speed - or velocity. If the force and any increase of that force is applied in a direction opposing the original motion of the particle, this results in a negative acceleration resulting in a decrease in the objects speed - or velocity.
