All categories

3 years ago

If a metal ball suspended by a rod is at rest, which force is responsible for balancing the force due to gravity?

2 answers:

4 0

The normal force applied by the rod on tbe metal ball is the force balancing the force due to gravity.

The normal force is the force that keeps any object from going through another object and that is why tables and floors can keep things up.

cestrela7 [59]3 years ago

3 0

Any force coming from the surface and acting at a right angle to the surface is called the Normal Force<span>.
normal force </span><span>is responsible for balancing the force due to gravity.</span>

You might be interested in

How many earth years does it take mars to orbit the sun

Colt1911 [192]

This is a question that would have literally have taken two seconds to look up on google but the answer is 1.88 years.

4 0

3 years ago

Which type of committee has members from both the House and the Senate?

vagabundo [1.1K]

Joint committees have similar purposes as select committees, but they are made up of members from both the House and the Senate. They are set up to conduct business between the houses and to help focus public attention on major issues.

3 0

3 years ago

Read 2 more answers

The piece of wood shown above has a mass of 20 grams. Calculate its volume and density. Then

kozerog [31]

We have that The Density and Volume is given as

$\rho=0.67\\\\\V=30cm^3$

The factors that affect Density are Mass and Volume

From the question we are told that

The piece of wood shown above has a mass of 20 grams.

Wood parameters

2cm

5cm

3cm

Generally the equation for the Volume is mathematically given as

$V=L*B*H\\\\\V=2*5*3\\\\V=30cm^3$

Generally the equation for the Density is mathematically given as

$\rho=\frac{m}{v}\\\\\\rho=\frac{20}{30}\\\\\rho=0.67$

Therefore the factors that affect Density are Mass and Volume

For more information on this visit

brainly.com/question/19694949?referrer=searchResults

4 0

3 years ago

With two identical light bulbs and two identical batteries how would you arrange in order to get the maximum total power to the

Norma-Jean [14]

Answer:

The batteries would be connected in series while the bulbs would be connected in parallel

Explanation:

Power (W) = VI

where V = voltage, I = current and R = resistance

from V = IR , I = V/R

Power (W) now becomes = V (V/R) = $\frac{V^{2} }{R}$

Power (W) = $\frac{V^{2} }{R}$

from the above equation, power is directly dependent on voltage, hence the voltage has to be high for the power to be high and the power is also inversely dependent on the resistance (in this case the bulbs which act as the load)

We have to batteries, when batteries are connected in series the total voltage becomes the summation of the two voltages hence giving a higher voltage and when they are connected in parallel their voltage remains the same. Since we want to get higher voltage we will connect the two batteries in series.
we have two bulbs which are the resistance here, from the equation above the power is inversely dependent on the resistance so we would need its value to be minimal. When resistance is connected in series the resistance individual will be added to get the total resistance, hence the total resistance will be high but when the resistors are arranged in parallel you get the total resistance by applying the formula $\frac{R1R2}{R1+R2}$ which will give us a lower resistance. Hence we would connect the bulbs in parallel.