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
anastassius [24]
2 years ago
15

(Double points) A worker applied 27 newtons to a lever with a length of 4 meters that rotated around a hinge. What was the torqu

e?
Physics
2 answers:
arlik [135]2 years ago
7 0

Answer: Torque T = 108 Nm

Explanation:

Torque or turning effect is the rotational equivalent of linear force, i.e moment of force about a point.

Given that the force is applied perpendicular to the edge (angle 90°)

Torque can be represented by T;

T = FrSin∅ = Fr ( sin90 = 1)

T = force × distance

T = F × r

F = 27N

r = 4m

T = 27N × 4m

T = 108 Nm

faltersainse [42]2 years ago
4 0

Answer:

The torque was 108 N m

Explanation:

Torque is the cross product between the vector position where the force is applied with respect the axis of rotation and the force applied:

\overrightarrow{\tau}=\overrightarrow{r}\times\overrightarrow{F}

The magnitude is:

\tau =rF\sin \theta

If the force is applied on an extreme of the lever, the hinge is in the other extreme and the applied force is perpendicular to the lever:

r=4m, F=27N, \theta=90 Celcius

So:

\tau=(4m)(27N)\sin (90)=(108Nm)(1)

\tau=108 Nm

You might be interested in
a stone is vertically thrown upward with the velocity of 72km/hr find the maximum height reached the height​
dolphi86 [110]

Answer:

40m

Explanation:

v^2=gh

h=v^2/g

h=20^2/10

h=400/10

h=40

3 0
2 years ago
Need help please in physics ​
AnnZ [28]

Answer:

the switching circuitry is opened the soft iron armature is replaced to tasty le macha the switching circuitry is closed explain what happens when the switch circuit is a wonder you know about the characteristics of open to close this which right take the example of an electric generator for an electric motor which rotates in half rotation and change the armature and just try it ok I am sorry

3 0
2 years ago
Given that water at standard pressure freezes at 0∘C, which corresponds to 32∘F, and that it boils at 100∘C, which corresponds t
barxatty [35]

Answer:

In two significant figure 360K

Explanation:

The temperature difference (ΔT) can be calculated as the boiling temperature minus the freezing temperature in Fahrenheit.

Hence,

ΔT = 212 - 32

ΔT = 180°F

To convert to °F to kelvin, we use the formula below

= (°F - 32) × 5/9 + 273.15

= (180°F - 32) × 5/9 + 273.15

= 355.37K ⇔ 360K

3 0
3 years ago
What happened to an iron bar if it is heated from 32 degree Celsius to 64 degree Celsius
olganol [36]

Answer:

it got hotter

Explanation:

it just did

5 0
2 years ago
As a wave moves through a medium, particles are displaced and (2 points)
Scorpion4ik [409]

As a wave moves through a medium, particles are displaced and return to their normal position after the wave passes.

Explanation:

A wave is a traveling disturbance that  carries energy from one location to  another. All waves move in straight lines  outward and away from the source of a  disturbance. Like the radiating circular  ripples, the waves of water carry energy  away from where a rock was dropped into  the pond.

Waves can move as a single pulse or as a continuous series of waves, carrying  energy away from its source. A pulse is a single disturbance, wave, or ripple that moves  outward from the point of disturbance. A train of waves are many waves emitted over and  over again from a single source.

As waves travel through matter, they will temporarily  displace the molecules or particles in matter up-and-down  or side-to-side. Waves move the energy but they do not  carry the matter with them longitudinally as they move  through matter. Once the disturbance passes, the medium  will return to its original state or position.

Therefore, as the waves move through a medium, particles are displaced and return to their normal position after the wave passes.

7 0
3 years ago
Other questions:
  • A negative oil droplet is held motionless in a millikan oil drop experiment. What happens if the switch is opened?
    9·1 answer
  • Concave lens cause rays to _____.
    15·1 answer
  • A 1000 kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16 s, then the motor sto
    9·1 answer
  • Which of the following would effect the speed of a wave ? A) the matter it travels through
    13·1 answer
  • with the height being 10 m tall how much kinetic energy will a device have to cancel assuming the device weighs 2 kg?
    8·1 answer
  • you (60 kg) are standing in a (500 kg) elevator that is moving upwards from a ground floor on a building what is the power ratin
    5·1 answer
  • Define force in your own words.
    12·2 answers
  • Microwave ovens have a plate that rotates at a rate of about 7.0 rev/min. What is this in revolutions per second?
    6·1 answer
  • Multiplying a vector with another vector results in what type of answer.
    11·1 answer
  • a 10kg model rocket is fired at a 60 degree angle from horizontal from the football field with a thrust of 200N. what is the acc
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!