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
bixtya [17]
3 years ago
5

You and a friend are playing tug-of-war with a massless rope. You are pulling with 50 Newtons of force while your friend is pull

ing with 40 Newtons of force.
What is the tension in the rope?
What is your net force?
What is your friend’s net force?
Physics
1 answer:
const2013 [10]3 years ago
4 0

Answer:

Explanation:

A tug of war is game where two teams will be pulling a rope horizontally,

So,

Given that,

You applied a force of F1 = 50N

You friend you are pulling against applied a force of F2 = 40N

A. Tension on the rope.

Let the tension on the rope be T

The tension cause by you on the rope is the force you applied

T = 50N.

The tension cause by your friend is also

T = 40N

Adding the two tension together

T+T = 50+40

2T = 90

T = 45

OR you will see the rope as a pulley system, i.e. we will assume that the two friend force cause a tension on the rope, their are two tension on the rope, and two forces are applied

Then, tension is equal to force applied

T+T = 40+50

2T = 90

T = 45N

b. Net force by you

In this case we will take your position as the positive direction, I.e. the net force cause by you

Using newton second law

Fnet. = ΣFx

Fnet = F1—F2

Fnet = 50—40

Fnet = 10 N

c. Fnet by your friend

In this case we will take your friends position as the positive direction, I.e. the net force cause by your friend.

Fnet. = ΣFx

Fnet = F2—F1

Fnet = 40—50

Fnet = —10 N

You might be interested in
What's the SI unit of magnetic Field ?
Assoli18 [71]
HEYA!!!

The Standard Unit of magnetic field is TESLA.

Hope it helps you.

:)
7 0
3 years ago
Read 2 more answers
A stone is tied to a string and whirled at constant speed in a horizontal circle. The speed is then doubled without changing the
Tanya [424]

Answer:

Afterward the magnitude of the acceleration of the stone is four times as great

Explanation:

A stone tied to a string and whirled at a constant speed in a horizontal circle will have a centripetal acceleration given by

a = \frac{v^{2} }{r}

Where a is the centripetal acceleration

v is the speed

and r is the radius of the circle

Here, the radius of the circle is the length of the string.

Now, from the question

The speed is then doubled without changing the length of the string,

Let the new speed be v_{2}, that is

v_{2} = 2v

and without changing the length of the string means radius r is constant.

To determine the magnitude of the acceleration of the stone afterwards,

Let the new acceleration be a_{2}.

Then we can write that

a_{2} = \frac{v_{2}^{2}  }{r}

From

a = \frac{v^{2} }{r}

v = \sqrt{ar}

Recall that

v_{2} = 2v

∴ v_{2} = 2\sqrt{ar}

Now, we will put the value of v_{2} into

a_{2} = \frac{v_{2}^{2}  }{r}

Then,

a_{2} = \frac{(2\sqrt{ar}) ^{2}  }{r}

a_{2} = \frac{4ar }{r}

a_{2} = 4a

The new magnitude of the acceleration of the stone is four times the initial acceleration.

Hence,

Afterward the magnitude of the acceleration of the stone is four times as great

3 0
3 years ago
Darwin observed fossils of glyptodonts, which are now extinct. Living armadillos are the only animals remaining on Earth that ar
Inessa [10]

Answer:

3. Glyptodons were early relatives of armadillos.

Explanation:

Darwin would have come to this conclusion because glyptodons over time became armadillos, which you can tell by evolution that they were better evolved to survive than glyptodons. Due to this, they outlived the glyptodons.

6 0
3 years ago
Read 2 more answers
When the temperature of air increases the wave length of a sound wave
solmaris [256]

If temperature T increases , speed of sound v also increases , now by , λ=v/f , as v increases , λ (wavelength) will increase . Frequency is characterised by the source of sound hence it is not affected by temperature , and as T=1/f , so time period also doesn't change.

6 0
3 years ago
Someone please help and I will mark you as Brainlist! No
dedylja [7]

Answer:

2) center mass

3) when work is done by a system, energy is released

Explanation:

7 0
2 years ago
Other questions:
  • Explain the difference between temperature and heat also state what determines the direction
    15·2 answers
  • Calculate the period (T) of uniform circular motion if the velocity is 40.0 m/s and centripetal acceleration is 20.0 m/s2.
    10·1 answer
  • In a liquid with a density of 1050 kg/m3, longitudinal waves with a frequency of 450 Hz are found to have a wavelength of 7.90 m
    5·1 answer
  • mini stereo speaker cables are made of copper wire surrounded by robert electricity travel down the copper portion of the cable
    13·1 answer
  • How many steps are there in the formation of a solar system?
    13·1 answer
  • Please help, I really don't know
    11·1 answer
  • what is the main reason that attitudes are more often revealed in spoken rather than written language
    9·1 answer
  • What is the diffference between distance and displacement
    14·1 answer
  • Which quantity is a vector?
    9·1 answer
  • What dangers would divers face if they descended quickly to a great depth
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!