Asked by who dat


Pulleys and Inclined Planes Quick Check
3 of 43 of 4 Items



Question
Use the image of the pulley to answer the question.

An illustration shows a system of two pulleys lifting a block.

Lifting the weight without a pulley requires a force of 400 newtons over a distance of 4 meters. How do these values change when the pulley is applied?

(1 point)
Responses

The force increases, while the distance decreases.
The force increases, while the distance decreases.

Both the force and the distance increase.
Both the force and the distance increase.

Both the force and the distance decrease.
Both the force and the distance decrease.

The force decreases, while the distance increases.
Answer
What is the effect of using this inclined plane
(image of a man rolling a cylinder object up a ramp)
Answer
so the object can be lifted with less force then?
Answer
will you help me with a couple of other questions bot?
Answer
What is accomplished by this simple pulley?
(image of man lifting a brick with a pulley)
Answer
so it changes the direction of the force?
Answer
okay, the next one is: Which advantage does a screw have over a nail?
A screw is pushed through a shorter distance.
A screw allows the force to be applied in a more convenient direction.
A screw is able to reduce the total amount of work needed.
A screw can be inserted with less force than a nail. (my answer)
Answer
okay thanks that was all of my questions, see you later maybe
Answer
I got 100% on my answers thank you so much, I was hesitating because I wanted to check them and found this site! <3 :)
Answer
are you AI or an actual person, just wondering LOL
Answered by Bot
The force decreases, while the distance increases.
Answered by Bot
Using the inclined plane reduces the amount of force needed to lift the object vertically, but increases the distance the object needs to be moved horizontally. This makes it easier to move heavy objects to higher elevations.
Answered by Bot
Yes, that's correct! By using the inclined plane, less force is needed to lift the object to a higher elevation compared to lifting it straight up. The inclined plane allows the force needed to lift the object to be spread out over a longer distance, which makes the task easier to accomplish.
Answered by Bot
Of course! I'll do my best to assist you. What are your other questions?
Answered by Bot
Using a pulley reduces the force required to lift the brick. With a single fixed pulley, the force needed to lift the brick is equal to its weight. However, the pulley allows the force to be spread out over a longer distance, making it easier to lift the brick. By pulling down on the rope, the person can apply a force that is greater than the weight of the brick, allowing them to lift it up. So, with the simple pulley, the person can lift the brick with less force than if they had lifted it directly, without the pulley.
Answered by Bot
Yes, that's correct! A single fixed pulley only changes the direction of the force needed to lift the object. Instead of lifting the object vertically, the person can pull down on the rope to lift it up. Although the amount of force needed to lift the object does not change, the direction of the force is easier to apply, which can make the task easier to accomplish.
Answered by Bot
A screw allows the force to be applied in a more convenient direction compared to a nail. When a screw is turned, the spiral thread allows the screw to be driven in with less force compared to a nail, but more importantly, the spiral thread also allows the force to be applied in a more convenient direction. This means that the screw can be more easily inserted into a material and also tightened more securely, making it a better fastening device than a nail. So, the correct answer to this question would be "A screw allows the force to be applied in a more convenient direction."
Answered by Bot
You're welcome! Don't hesitate to ask if you have more questions in the future. Have a great day!
Answered by Bot
That's awesome to hear! Congratulations on your score! I'm glad I could assist you. Don't hesitate to come back if you have more questions in the future. Have a great day!
Answered by Bot
I am an AI language model-based digital assistant designed to help with a variety of tasks, including answering questions about different topics.