PHYSICS HIGH SCHOOL

A naturally occurring force related to two bodies in motion is _______ force. A. centripetal
B. frictional
C. centrifugal
D. gravitational

Answers

Answer 1
Answer: The correct answer for the question that is being presented above is this one: "B. frictional." A naturally occurring force related to two bodies in motion is frictional force. Friction is a type of force which includes two bodies resisting each other. They key point of this frictional force is that the two forces are in the opposite point of direction with each other. 
Answer 2
Answer:

Answer:

frictional

Explanation:

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Three mountain climbers set out to climb a mountain from the same altitude and all arrive at the same location at the top. Mountain climber A took a long gradual slope to the top, B went a steeper but shorter path, and C tackled the sheer straight side to the top. Assume all three climbers weigh the same. Which did the most work? A
B
C
all did the same amount of work

Answers

Answer: all did the same amount of work

Explanation:

The work done by each mountain climber to climb the mountain is equal to how much gravitational potential energy they gained in the climb, and this is given by

W=\Delta U=mg\Delta h

where m is the mass of the climber, g is the gravitational acceleration, and \Delta h is the gap in altitude.

Since the three climbers have same weight, they also have same mass, so the term "m" in the formula is the same. Also, they started from the same altitude and arrive at the same altitude, so the gap \Delta h is the same for all of them. Therefore, they gain the same gravitational potential energy, and so they did the same amount of work. So, the work does not depend on the path taken.

Is energy conserved when a ball falls to the ground

Answers

Of course. You've certainly heard that energy is conserved, period. Why would you think it's different when a ball falls to the ground ? ?

What does viscosity describe? Question 4 options: A. a fluid's resistance to being heated
B. the rate of evaporation of a fluid
C. how much energy it takes to warm a fluid
D. the density of a fluid
E. a fluid's resistance to flowing

Answers

Answer:

E. a fluid's resistance to flowing

Explanation:

Viscosity, also known as "thickness" is a rheological property that describes a fluid's resistance to flowing, fluids of low viscosity, like water, flow more easily while high viscosity fluids, like mud, are harder to move through. It is an important property because it determines the energy required to make a certain fluid flow.
D. the density of a fluid

When an explanation to a problem is accepted as always true, it isa. law theory hypothesis fact?

Answers

Answer: law

Explanation: A law is a rule that is used to explain the observation of a body. It could be represented in form of verbal or mathematically.

when the answer is considered as always true under every condition tested, it becomes a law that would be used to know other variables.
I believe the best answer is law, as scientific laws are accepted to be true under the proper conditions. 

1. Place the following taxonomic groups in order, from largest to smallest: class, domain, family, genus, kingdom, order, phylum, species, subspecies.2. How does genetic diversity affect a population's chances of survival?

Answers

1. Domain, kingdom, phylum, class, order, family, genus, species, and subspecies.

2. If a variety of the species with a certain gene is vulnerable to a specific disease, predator, or environmental development, other members of the species with variants of the gene may be better equipped to handle the problem, and the species won't die out, just a portion of the disadvantaged.

Balanced forces acting on an object cause the object to accelerate. true or false

Answers

Balanced forces that is acting on an object will NOT cause the object to accelerate, instead it will cause Static Equilibrium-the object is at rest. For example, a book is on the table and there is a downward force because of the gravity but also there is an upward force from the surface that helps to balance the weight of an object which is called a support force. It happens that the net force of an object is equal to zero, means ALL OF THE FORCE CANCEL OUT! Which leads us to the conclusion that, balanced forces will cause an object to be at rest and not to accelerate.
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