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No. Velocity is speed (distance per unit of time) and in a given direction. Velocity has a vector associated with it. It has directionality. Any acceleration that changes the direction in which a body is moving will alter its velocity. A car going around a curve is experiencing lateral force and is moving sideways while moving forward. The net motion puts the vehicle through an arc. With no change of pressure on the accelerator pedal and no brake, the speed is constant, but the velocity of the car, the speed with (and) the direction vector of the car, will change. It may seem like a minor "technical" thing, but as the concepts are worked with, they become clear and "lock in" for easy application in the future. Speed if defined as the distance travelled divided by the time traveled. i.e If you walk 12 kilometer in three hours, your speed is 4 kilometers per hour.
Acceleration is a change in speed. i.e 70kph to 80kph.
Velocity not only tell us the speed but the direction also. i.e 125kph by NNE
What else can I help you with?
What changes in a freely falling body?
In a freely falling body, its velocity increases due to the acceleration caused by gravity. The acceleration is constant (9.8 m/s^2 on Earth), and the body's motion is only affected by gravity, not air resistance. The body's position changes continuously as it falls towards the ground.
The sumof the kinetic and potential energies of a freely falling body is?
The sum of the kinetic and potential energies of a freely falling body is constant and equal to the total mechanical energy. This is a result of the conservation of energy principle, where the body's potential energy is converted into kinetic energy as it falls, keeping the total energy constant.
When a body is falling freely which force act on it?
When a body is falling freely, the only force acting on it is gravity. This force causes the body to accelerate downwards at a rate of 9.81 m/s^2 near the surface of the Earth.
What is the acceleratipn of a body with uniform velocity and why?
The acceleration of a body with uniform velocity is zero because acceleration is the rate of change of velocity. If the velocity is constant, then there is no change in velocity over time, so the acceleration is zero.
What is the kinetic energy for freely falling body at the ground level?
The kinetic energy of a freely falling body at ground level is equal to its potential energy at the starting height, assuming no air resistance or other external forces are acting on it. The kinetic energy is given by ( KE = \frac {1}{2} m v^2 ), where (m) is the mass of the object and (v) is its velocity just before hitting the ground.
What changes in a freely falling body?
In a freely falling body, its velocity increases due to the acceleration caused by gravity. The acceleration is constant (9.8 m/s^2 on Earth), and the body's motion is only affected by gravity, not air resistance. The body's position changes continuously as it falls towards the ground.
What is freely body?
A freely body is the body which is freely falling under the force of gravity i.e. an acceleration of 9.8 m/s2
The sumof the kinetic and potential energies of a freely falling body is?
The sum of the kinetic and potential energies of a freely falling body is constant and equal to the total mechanical energy. This is a result of the conservation of energy principle, where the body's potential energy is converted into kinetic energy as it falls, keeping the total energy constant.
What is the direction of the acceleration of a freely falling body?
9.8 m/s2
What is the terminal velocity of body in a freely falling system?
Assuming the object starts at rest, it is zero. However, if the object is thrown upward or downward, its inital velocity will not be zero.
When a body is falling freely which force act on it?
When a body is falling freely, the only force acting on it is gravity. This force causes the body to accelerate downwards at a rate of 9.81 m/s^2 near the surface of the Earth.
What is the effect of mass of a freely falling body on the gravitational accelaeration?
None whatsoever.
What is the acceleratipn of a body with uniform velocity and why?
The acceleration of a body with uniform velocity is zero because acceleration is the rate of change of velocity. If the velocity is constant, then there is no change in velocity over time, so the acceleration is zero.
What is the kinetic energy for freely falling body at the ground level?
The kinetic energy of a freely falling body at ground level is equal to its potential energy at the starting height, assuming no air resistance or other external forces are acting on it. The kinetic energy is given by ( KE = \frac {1}{2} m v^2 ), where (m) is the mass of the object and (v) is its velocity just before hitting the ground.
A body falling freely from a height towared the earth moves with uniform?
... accelerates at approx 9.81 metres per second squared and experiences weightlessness. Friction with the air prevents continuous acceleration and the falling body reaches a maximum velocity called the terminal velocity.
If a body falls freely from infinity then it will be striking the earth with what velocity?
The body will be striking the Earth with a velocity equal to its escape velocity, which is around 11.2 km/s. At this velocity, the body will have enough kinetic energy to overcome the gravitational pull of the Earth and reach the surface.
What is the force that pulls the freely falling body towards the earth is called?
Gravitational Force
