Question

A sled with mass 15 kg moves in a straight line on a horizontal surface as...

A sled with mass 15 kg moves in a straight line on a horizontal surface as it is being pulled by a force F at an angle of 30°with the direction of motion. A force of friction of 10 N acts on the sled. At one point in its path, its speed is 4.0 m/s; after it has traveled a distance 5.0 m beyond this point, its speed is 7.0 m/s.

  1. Use the work-energy theorem to find the total work done on the sled?
  2. Find the pulling force F on the sled.
Science   Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

The answers are

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
A box with a mass of 7.01 kg is sliding along a horizontal surface at constant...
A box with a mass of 7.01 kg is sliding along a horizontal surface at constant velocity. It is pulled by a horizontal force and the coefficient of kinetic friction between the box and the surface is 0.375. Part (a) What is the work done, in joules, by the pulling force as the box moves a distance of 0.495 m? Part (b) What is the work done, in joules, by the force of friction 33% Part (c) What is the...
A 15-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of...
A 15-kg sled is being pulled along the horizontal snow-covered ground by a horizontal force of 27 N. Starting from rest, the sled attains a speed of 2.1 m/s in 7.5 m. Find the coefficient of kinetic friction between the runners of the sled and the snow.
The physics of work on an accelerating object. a) A sled is dragged along by a...
The physics of work on an accelerating object. a) A sled is dragged along by a 25.0 N force that is applied at an angle of 50.0 degrees above the horizontal. The sled moves to the right and friction is negligible, so it is constantly accelerated while the force is being applied. How much work is done after the sled has moved 2.5 m? b) Given the motion of the sled, how must the downward force of gravity on the...
In the winter sport of bobsledding, athletes push their sled along a horizontal ice surface and...
In the winter sport of bobsledding, athletes push their sled along a horizontal ice surface and then hop on the sled as it starts to careen down the steeply sloped track. In one event, the sled reaches a top speed of 9.2 m/s before starting down the initial part of the track, which is sloped downward at an angle of 4.0 ∘ What is the sled's speed after it has traveled the first 140 m ?
A crate of mass 9.6 kg is pulled up a rough incline with an initial speed...
A crate of mass 9.6 kg is pulled up a rough incline with an initial speed of 1.40 m/s. The pulling force is 98 N parallel to the incline, which makes an angle of 19.5° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 4.98 m. (a) How much work is done by the gravitational force on the crate? J (b) Determine the increase in internal energy of the crate–incline system owing to friction....
A crate of mass 9.6 kg is pulled up a rough incline with an initial speed...
A crate of mass 9.6 kg is pulled up a rough incline with an initial speed of 1.52 m/s. The pulling force is 104 N parallel to the incline, which makes an angle of 20.4° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 4.92 m. (a) How much work is done by the gravitational force on the crate? J (b) Determine the increase in internal energy of the crate–incline system owing to friction....
A crate of mass 10.2 kg is pulled up a rough incline with an initial speed...
A crate of mass 10.2 kg is pulled up a rough incline with an initial speed of 1.56 m/s. The pulling force is 92 N parallel to the incline, which makes an angle of 19.0° with the horizontal. The coefficient of kinetic friction is 0.400, and the crate is pulled 5.04 m. (a) How much work is done by the gravitational force on the crate? J (b) Determine the increase in internal energy of the crate–incline system owing to friction....
A box with mass m=5 (kg) is being pulled with force F=25 (N) horizontally and moves...
A box with mass m=5 (kg) is being pulled with force F=25 (N) horizontally and moves with constant speed. (g = 10 m/s2) a) How much is the coefficient of kinetic friction? b) How much is the Normal force excreted from surface to the box? c) If the box moves 10 (m) in 20 seconds, calculate the work done by force F and by friction. What is the power of Force F?
A child is sitting on a sled and together they have a mass of 25.0 kg....
A child is sitting on a sled and together they have a mass of 25.0 kg. The sled is being pulled by a rope which is angled 15 degrees from the slope. The sled is being pulled at a constant speed of 1.22 m/s up a 25.0 degrees hill that is 65.0 meters long. If the coefficient of friction between the sled and the snow is 0.180, what force is being used to pull the sled?
Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 80.0...
Suppose the ski patrol lowers a rescue sled and victim, having a total mass of 80.0 kg, down a 60.0° slope at constant speed, as shown below. The coefficient of friction between the sled and the snow is 0.15. (a) How much work is done by friction as the sled moves 40.0 m along the hill? (b) How much work is done by the rope on the sled in this distance? (c) What is the work done by the gravitational...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT