The horizontal motion of an object is unaffected by the force of gravity for relatively short displacements. This means that the horizontal velocity is constant, while
the vertical velocity is accelerating
. … This change in angle affects the motion of the object and its velocity is no longer independent.
How is the horizontal component of motion affected by the vertical component of motion?
The
vertical force acts perpendicular to the horizontal motion
and will not affect it since perpendicular components of motion are independent of each other. Thus, the projectile travels with a constant horizontal velocity and a downward vertical acceleration.
What are the horizontal and vertical components of the acceleration of a projectile?
The trajectory of a projectile depends on motion in two dimensions.
The x component is the horizontal motion of the projectile
, and the y component is the vertical motion of the projectile.
How is the motion of an object affected by the acceleration of gravity?
When objects fall to the ground
, gravity causes them to accelerate. Acceleration is a change in velocity, and velocity, in turn, is a measure of the speed and direction of motion. Gravity causes an object to fall toward the ground at a faster and faster velocity the longer the object falls.
How does horizontal speed affect the vertical motion of an object?
THE HORIZONTAL VELOCITY DOES NOT AFFECT THE VERTICAL MOTION
. THE VERTICAL FALL TIME IS THE SAME AS LONG AS THE BALLS DROP SIMULTANEOUSLY FROM THE SAME HEIGHT.
What is the vertical component of the velocity just before it hits?
When a projectile reaches maximum height, the vertical component of its velocity is momentarily
zero (v
y
= 0 m/s)
.
How do you find the vertical and horizontal components of velocity?
The trajectory has horizontal (x) and vertical (y) components. Velocity is a vector (it has magnitude and direction), so the overall velocity of an object can be found with vector addition of the x and y components:
v
2
= v
x
2
+ v
y
2
. The units to express the horizontal and vertical distances are meters (m).
What are the factors affecting the acceleration of an object?
The second law states that the acceleration of an object is dependent upon two variables –
the net force acting upon the object and the mass of the object
. The acceleration of an object depends directly upon the net force acting upon the object, and inversely upon the mass of the object.
How do you find the acceleration of a falling object?
where g is the acceleration of gravity. The value for g on Earth is 9.8 m/s/s. The above equation can be used to calculate the velocity of the object after any given amount of time when dropped from rest.
Does acceleration due to gravity increase with height?
For an object placed at a height h, the acceleration due to gravity is less as compared to that placed on the surface.
As depth increases
, the value of acceleration due to gravity (g) falls. The value of g is more at poles and less at the equator.
What is horizontal motion?
Horizontal motion is defined as
a projectile motion in a horizontal plane depending
upon the force acting on it. … The projectile can be made to travel longer or shorter distances in the same amount of time by changing the initial velocity and the force applied to launch the projectile.
Does horizontal velocity stay the same?
The
horizontal velocity of a projectile is constant
(a never changing in value), There is a vertical acceleration caused by gravity; its value is 9.8 m/s/s, down, The vertical velocity of a projectile changes by 9.8 m/s each second, The horizontal motion of a projectile is independent of its vertical motion.
What is the acceleration of the ball after 1 second?
After 1 second, the velocity is 4.5+1.5=
6 m/s
.
Can initial velocity be zero?
Well
if an object starts from rest then it’s initial velocity would be zero
however if it is already in motion then it does have an initial velocity of greater than zero.
What is the initial velocity of the object?
Therefore, the initial velocity is
the velocity of the object before the effect of acceleration
, which causes the change. After accelerating the object for some amount of time, the velocity will be the final velocity.
What is acceleration at maximum height?
At a projectile’s highest point, its
acceleration is zero
.
