All categories

2 years ago

A stationary body is acted upon by a number of forces. State the two conditions which must apply for the body to remain at rest.

Physics

1 answer:

ratelena [41]2 years ago

8 0

Answer:

1. All the externally applied forces were cancelled out.

2. The externally applied force is not exceeded the limiting friction

Explanation:

You might be interested in

A light ray incident from medium 1 to medium 2, where n1>n2. When the incident angle exceed the critical angle ac, the refrac

vovikov84 [41]

Explanation:

(a)

Critical angle is the angle at the angle of refraction is 90°. After the critical angle, no refraction takes place.

Using Snell's law as:

$n_1\times {sin\theta_i}={n_2}\times{sin\theta_r}$

Where,

${\theta_i}$ is the angle of incidence

${\theta_r}$ is the angle of refraction = 90°

${n_2}$ is the refractive index of the refraction medium

${n_1}$ is the refractive index of the incidence medium

Thus,

$n_1\times {sin\ \theta_{critical}}={n_2}\times{sin\ 90^0}$

The formula for the calculation of critical angle is:

${sin\theta_{critical}}=\frac {n_2}{n_1}$

Where,

${\theta_{critical}}$ is the critical angle

(b)

No it cannot occur. It only occur when the light ray bends away from the normal which means that when it travels from denser to rarer medium.

7 0

3 years ago

How much mass would pizza dough have after you flatten it

mars1129 [50]

Answer:

the answer is that the dough has the same mass before and after it was flattened

3 0

2 years ago

Read 2 more answers

If the mass of each ball is 12 kg and they experience a gravitational force of magnitude 2.00

VLD [36.1K]

Answer:

${2 \times 10} - 7 = 12 {}^{2} \div x \\ x = 2 \times 10 - 7 \div 12 {}^{2}$

I'm just in jss2 but I read physics. this is what I think

7 0

2 years ago

Give an example of when a conscientious objector might exercise their right:

Mariana [72]

Am sorry what can you be more specific

7 0

2 years ago

Which choice most accurately defines resistance and voltage of a circuit?

devlian [24]

Answer:

Explanation:

did the test :)

7 0

2 years ago