All objects attract one another (exert an attractive force), due to gravity. The effect of any force, including gravity - if there is no force opposing it - is to accelerate the object (i.e., change its velocity).
Gravity has no effect on an object moving horizontally at a constant speed unless the object is falling downward due to gravity. In that case, gravity will accelerate the object downward while it continues to move horizontally.
An object moving in a curved path affected only by gravity is called a projectile.
Gravity is constant. It does not change based on the element, only the relative distance from the a specific body can reduce the effect of gravity (moving away from the earth lessens its gravitational pull on an object).
One effect of friction on an object is the ability to make an object stop when moving such as a car's tires on the road at a stop sign. One effect of gravity is the falling of objects to Earth.
it means an object is moving based on the force of friction and gravity.
Gravity
The frequency of a sound wave created by a moving object will increase if the object is moving towards the observer and decrease if the object is moving away. This effect is known as the Doppler effect.
It's(the object's mass) multiplied by (the acceleration of gravity in the place where the object is).
A group of balanced forces adds vectorially to zero, so has no effect on any object, whether it's moving or not moving.
Gravity affects velocity by changing the acceleration of an object. As an object falls, gravity accelerates it, increasing its velocity. Without gravity, an object would move at a constant velocity.
Gravity will speed up a force if gravity acts in the same direction as the object is already moving - for example, if the object is already moving downward - and if counterforces (such as air resistance) don't interfere too much.
it means an object is moving based on the force of friction and gravity.