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
yawa3891 [41]
4 years ago
6

what is the work done by a force equivalent to the weight of 100kg that moves an object in 7 minutes?​

Physics
1 answer:
Morgarella [4.7K]4 years ago
8 0
<h3>Answer:</h3>

7000 Joules

<h3>Explanation:</h3>

We are given;

  • The mass of an object = 100 kg

But, Force = mass × g (taking g as 10 N/kg)

  • Then, Force = 1000 N

Assuming we are given the distance moved by the object as 7 m

We can calculate the work done by the force

We need to know that;

Work done = Force × distance

Therefore;

Work done = 1000 N × 7 m

                   = 7000 Joules

Therefore, the work done by the force is 7000 Joules

You might be interested in
An unbanked circular highway curve on level ground makes aturn
tino4ka555 [31]

Answer:

Explanation:

Given

Velocity of traffic v=60\ mi/hr\approx 26.82\ m/s

Maximum value of Centripetal force is one-tenth of weight

such that (F_c)_{max}=\frac{mg}{10}

to make a safe turn centripetal force with radius of curvature r is given by

F_c=\frac{mv^2}{r}

(F_c)_{max}=\frac{mg}{10}=F_c=\frac{mv^2}{r}

\frac{mg}{10}=\frac{mv^2}{r}

r=\frac{10v^2}{g}

r=\frac{10\times 26.82^2}{9.8}

r=733.99\approx 734\ m

     

4 0
4 years ago
What is the net force acting on a falling object when it reaches terminal velocity? a force equal to gravity 9.8 m/s2 two times
Leno4ka [110]

Answer:

The net force is zero

Explanation:

When an object is falling, there are two forces acting on it:

- The force of gravity, which is equal to the weight of the object, which pushes the object downwards

- The air resistance, which acts against the motion of the object, so it pulls upward

While the magnitude of the force of gravity is constant, the magnitude of the air resistance increases as the velocity of the falling object increases: at some point of the motion, the air resistance becomes equal in magnitude to the force of gravity. At this point, the net force on the object becomes zero, and according to Newton's second law, the acceleration of the object becomes also zero:

F=ma

But zero acceleration means that the velocity of the object is now constant: this is known as terminal velocity.

5 0
3 years ago
A segment is divided into two parts having lengths in the ratio of 5:3. If the difference between the length of the parts is 6",
Triss [41]

Answer:

15"

Explanation:

Let x be the length of the longer part, then the length of the shorter part is 3x/5, or also x - 6

therefore we have the following equation:

3x/5 = x - 6

We can multiply both sides by 5

3x = 5x - 6*5

2x = 30

x = 30/2 = 15"

So the length of the longer part is 15"

5 0
3 years ago
Loggers cut down 2 identical trees. One tree was cut down with a hand saw and one was cut down with an electric saw. Which activ
alex41 [277]
The hand saw involved more work and the electric saw involved more power.
8 0
3 years ago
When does a object have the greatest kinetic energy?
Rufina [12.5K]
When Object is at zero height, and there is no potential energy possess by the object then it exerts Greatest Kinetic energy in it's whole Journey

Hope this helps!
8 0
4 years ago
Other questions:
  • For an object to appear red, what must the object do to red light waves?
    8·2 answers
  • Describe what is happening to an object in each of the following three states:
    9·2 answers
  • Advantage and disadvantages of potentiometer​
    9·1 answer
  • A uniform disk with a mass of 10 kg and a diatmer 0.5 m
    8·1 answer
  • Momentum Conservation One object m1 has a mass of 2 kg and moves with a speed of 9 m/s to the right. Another object m2 has a mas
    5·1 answer
  • A point charge 20.0 nC is located at the center of a cube whose sides are of length 10.0 cm. If there is no other charges in thi
    9·1 answer
  • Non-living factors in an ecosystem are<br><br> biotic<br><br> abiotic<br><br> antibiotic
    13·1 answer
  • A light wave travels from one medium into a second medium with a greater absolute index of refraction. Which characteristic of t
    8·1 answer
  • Subscribe to me on you-tube for brainliest custom link since u cant do a you-tube link :/
    8·2 answers
  • which among the appliances has the highest and lowest consumption of electricity? Why do you think so?​
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!