What kind of energy does a rock have sitting on the ground?
potential energy
When the rock starts rolling down the hill it has kinetic energy. When the rock gets to the bottom of the hill and stops, it is no longer in motion therefore it no longer has kinetic energy, the energy has been converted back into potential energy. NOT moving. Rock SITTING at the top of a hill.
What happens to a rock when it?
Erosion happens when rocks and sediments are picked up and moved to another place by ice, water, wind or gravity. Mechanical weathering physically breaks up rock. One example is called frost action or frost shattering. Water gets into cracks and joints in bedrock.
Is sitting on top of a tree potential energy?
The energy possessed by the bird sitting on top of a tree is potential energy.
How is energy used in the rock cycle?
The two major sources of energy for the rock cycle are also shown; the sun provides energy for surface processes such as weathering, erosion, and transport, and the Earth’s internal heat provides energy for processes like subduction, melting, and metamorphism.
How does water break a rock?
Flowing water can move rocks, causing them to rub together and wear down into rounded shapes. When plants grow in cracks in a rock, their roots can widen the cracks and force the rock apart. Rainwater fills small cracks in a rock. As the water freezes, it expands, widening the cracks and splitting apart the rock.
How is the action related to the direction of the reaction?
For every action, there is an equal (in size) and opposite (in direction) reaction. Action-reaction force pairs make it possible for birds to fly. Consider the motion of a car on the way to school. A car is equipped with wheels that spin. As the wheels spin, they grip the road and push the road backwards.
What does the statement equal and opposite reaction mean?
For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object. The direction of the force on the first object is opposite to the direction
Is the action and reaction force always the same?
The action and reaction force always act on different objects. Two forces acting on the same object, even if they have the same magnitude and point in opposite direction, never form an action-reaction pair. An apple with a 0.2 kg mass sits on a table in equilibrium.
The action force exerted on the board by the diver causes a reaction force by the board on the diver. The force of the diver on the board is equal and opposite to the force exerted by the diving board. Think about the way the force of the diving board affects the diver’s performance.
