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What in the mantle move tectonic plates?
The movement of tectonic plates is primarily driven by the convective flow of molten rock in the upper mantle. This convection occurs due to the heat generated by the radioactive decay of elements within the Earth, which causes the molten rock to rise, cool, and then sink back down, creating a circular motion that drives the movement of tectonic plates.
What is the action and reaction force when you jump off a skate board?
When you jump off a skateboard, the action force is your downward push on the skateboard as you propel yourself upward. The reaction force is the skateboard pushing back against you with an equal and opposite force. This interaction causes the skateboard to move backward while you jump forward and upward. Newton's third law of motion explains this relationship between the forces.
What is the force that moves the convection currents in the mantle?
The force that drives convection currents in the mantle is primarily due to the heat generated from the Earth's core and radioactive decay within the mantle itself. This heat causes the rock in the mantle to become less dense and rise, while cooler, denser material sinks. This continuous cycle of rising and sinking creates convection currents, which play a crucial role in plate tectonics and the movement of the Earth's crust.
What way is the net force acting on a ball thrown in the air with upward velocity?
The net force acting on a ball thrown in the air with upward velocity is the force of gravity acting downwards. Gravity causes the ball to accelerate towards the ground. At the highest point of its trajectory, the net force is zero since the upward velocity is momentarily halted before the ball begins to fall back down.
What is upward force of liquid or gas?
The upward force exerted by a liquid or gas on an object immersed in it is called buoyant force. This force is a result of the pressure difference between the top and bottom of the object, and it opposes the weight of the object, causing it to float or rise.
What force cause warm molten rock to move upward in the mantle?
When a tectonic plate reaches a certain depth in the mantle, the heat and pressure from being so close to the Earth's core causes certain parts of the plate to melt. The section of the plate that has melted becomes lighter in weight than the rocks surrounding it. This causes it to rise and move upwards in the mantle.
What force causes you to move upward when you jump into the air?
The force that causes you to move upward when you jump into the air is the normal force exerted by the ground on your feet. This force opposes the force of gravity acting on your body, allowing you to overcome gravity and move upward.
What is the force that causes an upward movement?
The force that causes an upward movement is typically buoyancy, which is the upward force exerted by a fluid, such as water or air, that opposes the weight of an object immersed in it. This force is a result of the pressure difference between the top and bottom of an object.
What in the mantle move tectonic plates?
The movement of tectonic plates is primarily driven by the convective flow of molten rock in the upper mantle. This convection occurs due to the heat generated by the radioactive decay of elements within the Earth, which causes the molten rock to rise, cool, and then sink back down, creating a circular motion that drives the movement of tectonic plates.
Upward force on a bird's wing?
It is called Lift. The difference in pressure above and below the wigs as a bird moves through the air produces an upward force that causes the bird to rise.
What is a force that pushes the heated rock upward?
The force that pushes heated rock upward is typically convection currents in the mantle. As rock near the Earth's core heats up, it becomes less dense and rises towards the surface. This movement creates pressure that pushes the rock upward.
What is the upward force of displaced fluid causing flotation?
The upward force of displaced fluid that causes flotation is called buoyant force. This force is equal to the weight of the fluid that is displaced by the object placed in the fluid. When this buoyant force is greater than the weight of the object, the object will float.
What is the upward force due to a pressure difference between the top and bottom of a wing?
The upward force due to a pressure difference is called lift. It is generated when the air pressure below the wing is higher than the pressure above the wing, creating a pressure difference that causes the wing to be pushed upward.
What force pushes upward on the continental crust What force pushes downward?
The force pushing upward on the continental crust is isostatic rebound, caused by the buoyancy of the less dense continental crust floating on the denser mantle. The downward force is from the weight of the overlying rock and sediments, as well as tectonic forces like subduction or compression.
What is the name of the upward force that enable a bird to fly?
It is called Lift. The difference in pressure above and below the wigs as a bird moves through the air produces an upward force that causes the bird to rise.
What term describes the upward push on the wings of a airplane that causes unequal pressure?
The term that describes the upward force on the wings of an airplane that causes unequal pressure is lift. This lift is generated by the flow of air over the wings of the airplane, creating a pressure difference between the upper and lower surfaces of the wing, resulting in the upward force.
What causes the upward force in a parachute jump?
The upward force in a parachute jump is caused by air resistance or drag acting on the parachute as it opens and expands. This creates a drag force that slows down the descent of the jumper, allowing them to land safely.
