1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zloy xaker [14]
3 years ago
6

What unite do scientists use to measure force

Physics
1 answer:
KiRa [710]3 years ago
3 0
They use Newton to measure force
You might be interested in
Which situations are necessary components for malpractice to occur?
Yuri [45]

a. The risk of injury must be predictable.

b. A "breach of duty" is when a professional fails to uphold a level of care.

c. There must be a standard of care in place, and the practitioner must assume responsibility for the patient.

d. There must be a clear link between the treatment received and the harm.

<h3>What is malpractice?</h3>

Malpractice, commonly referred to as professional negligence, is defined as "an incident of carelessness or incompetence on the part of a professional" under tort law.

The following professionals might be the target of malpractice claims:

Medical professionals: If a doctor or other healthcare practitioner does not exercise the level of care and competence that a similarly situated professional in the same medical field would deliver under the circumstances, a medical malpractice claim may be made against them.

Lawyers: Failure to provide services with the amount of competence, care, and diligence that a reasonable lawyer would use in the same situation may be grounds for a legal malpractice claim.

To know more about malpractice, visit;

brainly.com/question/25441985

#SPJ4

3 0
1 year ago
An autographed baseball rolls off of a 0.99 m high desk and strikes the floor 0.34 m away
Sever21 [200]

why does the baseball have to be autographed?

8 0
2 years ago
Read 2 more answers
A box of mass 0.8 kg is placed on an inclined surface that makes an angle 30 above
earnstyle [38]

Answer:

a)    a = 17.1 m / s², b)    F = 3.04 N

Explanation:

This is an exercise of Newton's second law, in this case the selection of the reference system is very important, we have two possibilities

* a reference system with the horizontal x axis, for this selection the normal and the friction force have x and y components

* a reference system with the x axis parallel to the plane, in this case the weight and the applied force have x and y components

We are going to select the second possibility, since it is the most used in inclined plane problems, let's analyze the angle of the applied force (F) it has an angle 10º with respect to the x axis, if we rotate this axis 30º the new angle is

                θ = 10 -30 = -20º

The negative sign indicates that it is in the fourth quadrant. Let's use trigonometry to find the components of the applied force

              sin (-20) = F_{y} / F

              cos (-20) = Fₓ / F

              F_{y} = F sin (-20)

              Fₓ = F cos (-20)

              F_y = 18 sin (-20) = -6.16 N

              Fₓ = 18 cos (-20) = 16.9 N

The decomposition of the weight is the customary

               sin 30 = Wₓ / W

               cos 30 = W_y / W

               Wₓ = W sin 30 = mg sin 30

                W_y = W cos 30 = m g cos 30

                Wₓ = 0.8 9.8 sin 30 = 3.92 N

                 W_y = 0.8 9.8 cos 30 = 6.79 N

Notice that in the case  the angle is measured with respect to the axis y perpendicular to the plane

Now we can write Newton's second law for each axis

X axis

      Fₓ - fr = m a

Y Axis  

      N - F_{y} - Wy = 0

      N =F_{y} + Wy

      N = 6.16 + 6.79

     

They both go to the negative side of the axis and

      N = 12.95 N

The friction force has the formula

        fr = μ N

we substitute

        Fₓ - μ N = m a

        a = (Fₓ - μ N) / m

     

we calculate

       a = (16.9 - 0.25 12.95) / 0.8

       a = 17.1 m / s²

b) now the block slides down with constant speed, therefore the acceleration is zero

ask for the value of the applied force, we will suppose that with the same angle, that is, only its modulus was reduced

       Newton's law for the x axis

              Fₓ -fr = 0

              Fₓ = fr

              F cos 20 = μ N

              F = μ N / cos 20

we calculate

              F = 0.25 12.95 / cos 20

              F = 3.04 N

this is the force applied at an angle of 10º to the horizontal

3 0
3 years ago
A ball is released from a height of 20 metres. Calculate; 1. The time it takes to fall 2. The velocity with which it hits the gr
Novay_Z [31]

Answer:

Final velocity of ball = 20 m/s

Explanation:

Given:

Height when ball released = 20meter

Find;

Time taken to fall

Final velocity of ball

Computation:

Initial velocity of ball = 0 m/s

Acceleration due to gravity = 10 m/s²

Using equation of motion;

S = ut + (1/2)(g)(t²)

20 = (0)(t) + (1/2)(10)(t²)

20 = 5(t²)

(t²) = 20 / 5

(t²) = 4

Time taken to fall = 2 second

V = u + at

V = 0 + (10)(2)

Final velocity of ball = 20 m/s

4 0
3 years ago
Calcular la velocidad tangencial y la velocidad angular de un movil que describe una circunferencia de 18 centimetros de radio e
Hoochie [10]

Answer:

1.41 m/s, 7.85 rad/s

Explanation:

We can start by calculating the tangential velocity, which is given by:

v=\frac{2\pi r}{T}

where

r = 18 cm = 0.18 m is the radius of the circumference

T = 0.8 s is the period

Substituting,

v=\frac{2\pi(0.18)}{0.8}=1.41 m/s

Now we can also calculate the angular velocity,  which is given by:

\omega=\frac{2\pi}{T}

where again,

T = 0.8 s is the period

Substituting,

\omega=\frac{2\pi}{0.8}=7.85 rad/s

3 0
3 years ago
Other questions:
  • A electric heater that draws 13.5 a of dc current has been left on for 10 min. how many electrons that have passed through the h
    8·1 answer
  • A base is a substance that produces hydrogen ions in a water solution
    6·1 answer
  • A 15g bullet is fired horizontally into a 3kg block of wood suspended by a long cord. Assume that the bullet remains in the bloc
    11·1 answer
  • When an electric stove element is hot enough, it gives off a dull red glow. When it cools to the point that it no longer glows,
    8·1 answer
  • Which of the following energy sources is expected to have the highest rate of consumption in 2030?
    15·2 answers
  • How many grams of water can be cooled from 42 ∘c to 20 ∘c by the evaporation of 51 g of water? (the heat of vaporization of wate
    5·1 answer
  • Under ordinary conditions of temperature and pressure, the particles in a gas are Select one: a. closely packed. b. very far fro
    8·1 answer
  • The pulley system has a mechanical advantage of 5. Determine how much input force is required to achieve 1000 N of lifting force
    8·1 answer
  • Unit 2 Lesson 9: Temperature &amp; Heat Unit Test does anyone have the answers
    15·2 answers
  • Why does Mars not have an electric field and why
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!