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Veda Glover

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5mo ago

In physics, the force of gravity on a projectile in motion is typically considered negative because it acts in the opposite direction of the projectile's motion. It acts to slow down the projectile's vertical motion and pull it towards the Earth's surface. This negative force is important to consider when calculating the trajectory and motion of projectiles.

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Q: The force of gravity on a projectile in motion is considered positive.?
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Is the force of gravity on a projectile in motion is considered positive.?

false


Is the force of gravity on a projectile considered positive?

In physics, the force of gravity is typically considered a negative force because it acts in the opposite direction to the motion of the projectile. Gravity causes the projectile to decelerate and move downwards.


How does the gravity affect the two components of projectile motion?

Projectile motion has two components horizontal motion and vertical motion. Gravity affects only the vertical motion of projectile motion.


Is a feather falling in a vacuum projectile motion?

No, a feather falling in a vacuum is not considered projectile motion. Projectile motion involves an object being launched horizontally with a certain velocity while experiencing the force of gravity, causing it to follow a curved path. In a vacuum, there is no air resistance or drag force acting on the falling feather, so it falls straight down due to gravity.


Why gravitationalforce is taken negative in projectile motion?

Gravitational force is typically considered negative in projectile motion because it acts in the opposite direction to the motion of the projectile, which is usually taken as the positive direction. By defining gravity as negative, the equations of motion can be set up to account for the downward force experienced by the projectile due to gravity.


Is projectile motion a motion in one dimension the direction of gravity?

No, projectile motion involves motion in two dimensions - one horizontal and one vertical. The vertical motion is affected by gravity, while the horizontal motion is independent of gravity, assuming no air resistance.


Which part of projectile motion is affected by gravity?

The vertical motion of a projectile is affected by gravity. Gravity acts to accelerate the projectile downward while it is in motion, causing its vertical velocity to increase or decrease accordingly.


Is a ball on the ground a projectile?

No, a ball on the ground is not considered a projectile. In physics, a projectile is an object that is in motion and is only subject to gravity and air resistance. A ball on the ground is not in motion and is not being acted upon by external forces.


The height of a projectile in motion is dependent on what?

Projectile motion is a form of motion wherein an object moves along a curved path under the action of gravity only. The height of a projectile in motion is dependent on gravity.


The work done by gravity during the descent of a projectile motion is?

Zero, assuming there is no air resistance. Gravity does not do work in the horizontal direction during the descent phase of projectile motion because the force of gravity and the displacement are perpendicular to each other, resulting in no work being done by gravity.


Why you take g as negative in projectile motion?

In projectile motion, gravity acts in the vertical direction, which is typically considered negative for simplicity and consistency. By defining the downward direction as negative, it allows us to take into account the decelerating effect of gravity on the vertical motion of the projectile.


Two dimensional motion is not always projectile motion . in two -dimensional motion that is not projectile motion , ____ is not accelerating the objective?

Gravity