What happens if there is too much friction?

Answer:

The volcanoes are directly associated with the convergent type of plate boundary.

In a convergent boundary, two plates move towards each other. Due to their collision, a subduction zone is formed where the denser plate goes down below the other less dense plate, and the trench lies above this zone, which is a long, narrow depression and marks the boundary between the two distinct plates.

As the denser plate subducts, it melts and mixes up with the magma. This magma then rises upward due to the force exerted by the convection current. This magma then reaches the surface towards the over-riding plate, resulting in the formation of volcanoes, or volcanic or island arcs.

Thus, the convergence of two plates leads to the formation of a volcano.

Albert Einstein created this equation. It means that the formula shows that mass can be converted into energy, and energy can be converted into mass. Einstein made this equation 100+ years ago, and yes, he was right with the theory.

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Different temperatures must be true about two objects if heat is flowing between them

Answer: Option A

Explanation:

On bringing two objects with temperature differences, heat flows from a higher temperature to a lower temperature until there is thermal equilibrium according to the second law of thermodynamics.

Just like if we connect two tanks through a pipe with different water capacities. The water flows from the tank of higher water to a lower water level until both the tanks have the same water level.

The bigger the difference of temperature between two object, the higher the rate of heat flow from the hotter object to the cooler one.  Two object, having same temperature doesn’t undergo a heat flow process.

The objects must be different temperatures. the exact temperatures don't matter

work = mgh

power = mgh/t = 63•9.8•7/5 = 864 watts

1 HP = 746 watts

so that is 834/746 = 1.2 HP

Answer:

Gravitational Force – Weakest force; but infinite range.

Weak Nuclear Force – Next weakest; but short range.

Electromagnetic Force – Stronger, with infinite range.

Strong Nuclear Force – Strongest; but short range.

Explanation:

• Gravitational Force  is a weak force, but very long ranged. It is always attractive in mature. It acts between any two pieces of matter in the Universe since mass is its source.
• Weak Nuclear Force is responsible for radioactive decay and neutrino interactions. It has a very short range and as its name indicates, it is very weak in nature. The weak force causes Beta decay i.e. the conversion of a neutron into a proton, an electron and an anti-neutrino.

• Electromagnetic Force  causes electric and magnetic effects such as the repulsion between like electrical charges or the interaction of bar magnets in a similar fashion of attraction & repulsion. It is long-ranged, but much weaker than the strong force. It can be attractive or repulsive and acts only between pieces of matter carrying electrical charge. Electricity, magnetism, and light are all produced by this force.
• Strong Nuclear Force is very short-ranged. It is responsible for holding the nuclei of atoms together. It is basically attractive, but can be effectively repulsive in some circumstances. The strong force is ‘carried’ by particles called gluons; i.e., when two particles interact through the strong force, they do so by exchanging gluons. Thus, the quarks inside of the protons and neutrons are bound together by the exchange of the strong nuclear force.

A gluon is an elementary particle that acts as the exchange particle (or gauge boson) for the strong force between quarks. It is analogous to the exchange of photons in the electromagnetic force between two charged particles.

Quark  is a type of elementary particle and a fundamental constituent of matter.

Answer: You've provided a step-by-step guide for calculating the uncertainty in the volume of a building block due to uncertainties in its dimensions of force.

Explanation:

Pressure in each region is determined by the force applied divided by the surface area. In the case of a fluid in a container, the expression for pressure is given by:

1. Inside the Region: Pressure (P) inside the region can be calculated using the formula: P = F/A, where F is the force applied to the fluid and A is the surface area of the region.

2. Outside the Region: Pressure outside the region can be assumed to be zero if we disregard gravitational effects.

This provides a basic understanding of how to express pressure in each region of the container.

Learn more about force.

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