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While a body in motion cannot have zero average velocity, there are many examples where the average velocity - after selected intervals - is zero.
For example:
a pendulum, or any object under simple harmonic motion, after a complete number of cycles;
a rotating object (point on a wheel or hand of a clock) after a whole number of circuits.
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What newton first law of motion?
Newton's first law of motion states that a body at rest remains at rest and a body in motion remains in motion at constant velocity in a straight line unless acted upon by an unbalanced force.
When is a body said to possess kinetic energy?
A body is said to possess kinetic energy when it is in motion. Kinetic energy is the energy an object has due to its motion and is dependent on both its mass and velocity.
What is planetary velocity?
Planetary velocity refers to the speed at which a planet moves along its orbit around the Sun or another celestial body. It is influenced by the planet's distance from the central body and governed by the laws of gravity and motion. The velocity of a planet is not constant throughout its orbit, as it changes based on its position and the gravitational forces acting upon it.
What can kinetic energy be described as?
Kinetic energy is the energy an object possesses due to its motion. It depends on the object's mass and velocity, with the formula being KE = 0.5 * mass * velocity^2.
Can a body have nonzero average speed but have zero average velocity give example?
Yes, a body can have a nonzero average speed but zero average velocity if it moves around a closed path and returns to its starting point. For example, if a car travels around a circular track at a constant speed, its average speed will be nonzero (as distance is covered), but its average velocity over the entire trip will be zero as the displacement is zero.
