Earth pulls on the object, and the object pulls on Earth
true. Arteries have halves that allow for blood flow away form the heard but not toward the heart.
Yes
True.
true
no
true
true
Yes, objects fall towards the center of the Earth due to gravity. This is true regardless of the object's size, mass, or shape.
True (:
true
A falling object will continue to accelerate when free falling, but each object has a maximum speed which it can reach (but go no faster than this speed) when free falling from great heights. True.
The acceleration of an object in true free fall is approximately 9.81 meters per second squared, which is the acceleration due to gravity on Earth. This value is denoted by the symbol "g" and is a constant for objects falling near the surface of the Earth in a vacuum.
False. When the only force acting on a falling object is air resistance, it is not considered to be in free fall. Free fall occurs when an object falls solely under the influence of gravity with no other forces acting upon it.
true
True. Tides are caused by the gravitational pull of the moon and the sun on Earth's oceans, which result in the rising and falling of the ocean's surface levels.
This is a false statement because the moon revolves around the earth.
Yes, energy is conserved in a falling object when it gains speed. The potential energy of the object due to its position is converted into kinetic energy as it accelerates, keeping the total energy constant.