# Simple machines: physic science

39,892 results

### Simple machines: physic science

We have to use simple machines to light a fire and put it out using only one force. ( turn a crank, pull a string ,ect.) Me and my partner have one idea but it hasn't worked so far. any ideas?

### grammar

Diagram the simple subject and the simple predicate of each sentence. 1.Where do people use machines? people/use 2. Machines exist in homes, office buildings, and hospitals. Machines/exist 3. What amazing things machines can do! Machines/can do 4. Listen

### Science

I need help! What are eight examples of simple machines And eight examples of compound machines I can't think of more right now

### Science 8R - help!

HW - Name an example of the 6 simple machines that are in your home. So I have to write an example each or write an example that is an example for ALL six simple machines.

### Science 8R - HELP!

any drawing?? a simple rube goldberg diagram that shows six simple machines i need it for my project

### science

were doing simple machines and on my paper it shows a door knob What simple machine is that ( lever,wedge etc.) And my sec que it also shows scissors what simple machine is that?

### Science-physics

I am learning about simple machines. What does high gear and low gear in bicycles mean? Please give a simple explanation.

### science

So I have to do this project on simple machines. The invention we need to make should have at least 2 simple machines on it. We also have to draw it on posterboard and write a paragraph about it. One more thing is that it must make a person's life easier and we have to present...

### science

What simple machines are in a skateboard?

### science please help

So I have to do this project on simple machines. The invention we need to make should have at least 2 simple machines on it. We also have to draw it on posterboard and write a paragraph about it. One more thing is that it must make a person's life easier and we have to present...

### science

name some of the simple machines!!!

### Science

How many simple machines are there? i heard there are nine what are they

### science

What are the six types of simple machines?

### phyiscs- rube goldberg machine

Identify two types of simple machines that are included in a Rube Goldberg machine. Pick any simple machines: For example, wedge, and lever.

### Science

What do simple machines do? I can't unscramble these letters to get the answer: pldkwoohsrue

### science

Hey. I need two examples of screws (like the one from the six simple machines) and it can't be a screw, jar lid, or drill bit.

### math

What simple machines are on a skateboard?

### Science

How is a whellbarrow a compound machine P.S. A compound Machine is a machine made of 2 or more simple machines

### bus stats

A manufacturing company has 5 identical machines that produce nails. The probability that a machine will break down on any given day is .1. Define a random variable X to be the number of machines that will break down in a day. a. what is the appropriate probability ...

### Physics

Simple Machines A simple wheel and axle has a wheel diameter of 2.3m and an axle diameter of 92mm. If an effort of 26N is required to raise a mass of 16 kg what is the efficiency of the machine? A- 2.46% B- 95.3% C- 24.1% D- 20.1% E- 65.5% I am having a problem determining ...

### Machines and humans?

What are some conflicts between humans and machines that have arisen in the past? So I already said that machines can put humans out of work- but any other ideas? any sites I could read up on something like this?

### Sci. Help Please

How many simple machines are in the following things? crow bar nutcracker pizza cutter siccors

### english

But consumers there showed little interest in sewing machines. prepostional phrase but consumers, but prepostion &consumer object? in sewing machines, in preposition and machines is the object? would that be correct?? thanks

### English 2

Expand each sentence below by adding words or phrases that modify the nouns. The questions below each item suggest details you can add. 1.People hook up machines to their telephones. What kind of people use machines? What kind of machines are used?

### physic

In Concept Simulation 10.2 you can explore the concepts that are important in this problem. Astronauts on a distant planet set up a simple pendulum of length 1.2 m. The pendulum executes simple harmonic motion and makes 100 complete oscillations in 330 s. What is the magnitude...

### HELP HELP

How many simple machines are in the following things? crow bar nutcracker pizza cutter siccors egg beater with a handle

### Math OPTIMIZATION

A plastics firm has received an order from the city recreation department to manufacture 9,000 special Styrofoam kickboards for its summer swimming program. The firm owns 10 machines, each of which can produce 30 kickboards an hour. The cost of setting up the machines to ...

### statics

I have to come up with a statics problems. i have to make up a problem and take photos that includes a frame or machines. Machines, like those tractor machines or amusement ride. For a frame though, is a step stool that folds considered as a frame. The sides are connected and ...

### please help statics

I have to come up with a statics problems. i have to make up a problem and take photos that includes a frame or machines. Machines, like those tractor machines or amusement ride. For a frame though, is a step stool that folds considered as a frame. The sides are connected and ...

### science simple machines

how much effort is needed to lift 300 newtons with a pulley? If by effort you mean force, then the answer is 300 N (300 Newtons). If by effort you mean work, I believe the answer is 300 N multiplied by the distance pulled.

### world history

what is the name for the periord in which there was a production shift from simple hand tools to complex machines and from human and animal power to steam power?

### Hisotry

What are some similarities between humans and machines? In what ways are humans and machines different? What are some conflicts between humans and machines that have arisen in the past? What conflicts might occur in the future? Can these conflicts be resolved?

### English

Read each sentence then write whether the sentence is simple or not simple My dog Buddy fetches the paper in the morning Simple The subway which runs under the city is a fast way to travel Not simple Cici sings in the school choir simple Jen talks on the phone and does her ...

### Probability and Statistics

In a toy manufacturing company three machines A,B and C are employed to manufactures toys. Machines A, B and C manufacture 20%, 30% and 50% of the total toys respectively. A quality control officer examined the machines and found that A,B and C produce 2%, 3% and 5% defectives...

### language arts

Can All Conflicts Be Resolved? In this discussion, you will post issues related to the relationships of humans and machines and the conflicts they involve. To support your ideas, refer to the texts in this lesson, other texts you have read, and your personal experience and ...

### Math

Owen harvested 2400 hectares of canola in 12 days using 4 machines. How long would it take to harvest 3600 hectares if he used 6 machines?

### Science

I need an idea of a simple machine that has the following: -needs to include atleast one of the 6 simple

### math

machines A &B. Model A machines each cost $200 to make at a profit of $25 each. Model B cost $3oo to make at a $40 profit. Total number of machines do not exceed 2500 a month. Company has no more $600,000 per month for manufacturing cost. Whats the number of units A and B ...

### linear programming-maths

PLEASE HELP!!!!!!! machines A &B. Model A machines each cost $200 to make at a profit of $25 each. Model B cost $3oo to make at a $40 profit. Total number of machines do not exceed 2500 a month. Company has no more $600,000 per month for manufacturing cost. Whats the number of...

### Physic

A body oscillates with simple harmonic motion along the x axis. Its displacement varies with time according to the equation x = (1.6m)*sin (πt + π/3). What is the velocity (in m/s) of the body at t = 1.3 s?

### statistics

1. The average number of articles produced by two machines per day is 200 and 250 with standard deviation 20 and 25 respectively on the basis of records of 25 days production. Can you regard both the machines equally efficient at 1% level of significance?

### accounting

The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. In order to reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, Vendalite Company operates vending machines with energy bars, juices, and other snacks for...

### english

I need help understanding simple subjects and simple predicates. The sentence is: What is keeping them? I'm confused about which is the simple subject and simple predicate. Thank you

### math

If 1mechanic can do 4 machines in 6 hours how many machines can 48 mechanics do in 160 hours?

### Physic

A particle of mass 1kg undergoes simple harmonic motion and its potential energy U changes with displacement x from a fixed point as shown below. Determine a) amplitude b) period Help me guys...

### math

At Soap ans Suds there are 16 washing machines in a single row with no space between each one.Each washing mashine is 2 feet 5 inches across. What is the total length of the 16 washing machines?

### statistics

A vending machine company wants to check three of its machines to determine if they are properly dispensing 12 ounces of coffee. Their data is given below. Reference: Ref 11-4 Compute the test value for the coffee machines. Answer 2.25 5.06 6.62 4.86

### Pre-Cal

The total cost (in thousands of dollars) of a machine manufacturing unit is given by the function T(x) = 300 + 5x, where x is the number of machines produced. What is the average cost (in thousands of dollars) of manufacturing 200 machines? (Average cost is the ratio of total ...

### math

At soap and suds there are 16 washing machines in a single row with no space between each one.Each washing machine is 75cm across.Wht is the total length of the 16 washing machines in centimeters and meters???

### Physic

The simple pendulum in a tall clock is 0.30 m long. What is the period of this pendulum? T = s What is the frequency of this pendulum? f = Hz

### math

Q. At soap and suds there are 16 washing machines in a single row with no spa e between each one. Each washing machine is 2 feet 5 in inches across. What is the total length of the 16 washing machines. A. Do I divide 16 with 2,than mulpite my answer with 5?

### Grade 5 math

At soap and suds there are 16 washing machines in a single row with no space between each one.Each washing machine is 75cm across.Wht is the total length of the 16 washing machines in centimeters and meters?

### Grade 5 math

At soap and suds there are 16 washing machines in a single row with no space between each one.Each washing machine is 75cm across.Wht is the total length of the 16 washing machines in centimeters and meters?

### MATH

A company makes three products X, Y and Z. Each product requires processing by three machines A, B and C. The time required to produce one unit of each product is shown below. Product X:- Machine A: 1 Machine B: 2 Machine C: 2 Product Y: Machine A:2 Machine B: 2 Machine C: 2 ...

### MATH- please help!

A company makes three products X, Y and Z. Each product requires processing by three machines A, B and C. The time required to produce one unit of each product is shown below. Product X:- Machine A: 1 Machine B: 2 Machine C: 2 Product Y: Machine A:2 Machine B: 2 Machine C: 2 ...

### simple machines

A box with a force of 100N is pushed up an inclined plane. It takes a force os 75N to push it to the top. What is the efficiency of the inclined plane?

### MATH-PLEASE HELPPP!!!!

A company makes three products X, Y and Z. Each product requires processing by three machines A, B and C. The time required to produce one unit of each product is shown below. Product X:- Machine A: 1 Machine B: 2 Machine C: 2 Product Y: Machine A:2 Machine B: 2 Machine C: 2 ...

### math- im really confused! please help!!

A company makes three products X, Y and Z. Each product requires processing by three machines A, B and C. The time required to produce one unit of each product is shown below. Product X:- Machine A: 1 Machine B: 2 Machine C: 2 Product Y: Machine A:2 Machine B: 2 Machine C: 2 ...

### algebra

polynominal An appliance company sells x machines total revenue R in dollars, given by polynominal R=221.19x-0.2x^2. What is revenue from sale of 273 machines. I do not know what I am suppose to multiply first. Please help.

### Science (simple machines)

The plank is 3.6 metres long. It is being used as a lever to lift a 40-kilogram box. This represents a load of 400 newtons. (a) If the fulcrum were placed in the centre of the plank, what downward effort would the man on the right need to apply to raise the box? (b) If the man...

### physics

We have to use simple machines to light a fire and put it out using only one force. ( turn a crank, pull a string ,ect.) Me and my partner have one idea but it hasn't worked so far. any ideas?

### macroeconomics

what economic concept explains why news vending machines allow a consumer access to entire inventory of newspapers, yet soft drink vending machines dispense only one drink at time?

### Math

It takes 15 machines 15 minutes to make 500 raviolis. The machines produce raviolis at a steady rate. How long would it take 75 of these to make 6000 raviolis?

### English

Expand each sentence below by adding words or phrases that modify the verb. Questions after each item suggest details you can add. 1.A French girl found them. Who was with the girl? In what time period did she find them? 2.The news spread about the Lascaux cave paintings. How ...

### science, 7th,6th,8th,9th grade

In what three ways can machines make work easier?

### statistic

. A company is considering installing new machines to assemble its products. The company is considering two types of machines, but it will buy only one type. The company selected eight assembly workers and asked them to use these two types of machines to assemble products. The...

### accounting

Based on this information, what type of adjusting entries does the Ritz Manor have? The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. In order to reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, ...

### Accounting

The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. To reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, Vendalite Company operates vending machines with energy bars, juices, and other snacks for guests. ...

### accounting

The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. In order to reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, Vendalite Company operates vending machines with energy bars, juices, and other snacks for...

### Accounting

The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. In order to reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, Vendalite Company operates vending machines with energy bars, juices, and other snacks for...

### english

Write if the sentence is simple, compound,or complex. 1-I'd like to help you ;however,I am very busy today. complex 2-Do you know what Willie said.simple 3-I think that I've seen that movie before.simple 4-The person in the middle of the line is my brother Willie.simple 5-...

### Accounting

I need help? The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. In order to reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, Vendalite Company operates vending machines with energy bars, juices, and ...

### english

In this sentence I am suppose to give the simple subject and simple predicate. 1. The clay is usually hard and brittle at first. simple subject is clay and simple predicate is the word is 2. The soft clay is then shaped into a cup, a bowl, or a vase. simple subject is clay ...

### accounting

The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. To reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, Vendalite Company operates vending machines with energy bars, juices, and other snacks for guests. ...

### accounting

The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. To reserve a room, guests must pay one night’s stay in advance. On each floor of the hotel, Vendalite Company operates vending machines with energy bars, juices, and other snacks for guests. ...

### help science

3 simple steps for DNA duplication I have found so many answers but cant get a concise one. 1. separation - of 2 dna strands unzips ? 2. duplicates ? 3. zips back up ? and then a simple sentence about each

### science

what is a simple machine and i have a project where i have to build a toy that contains at lest three simple machinesand is cabable of completing a task with minimal or no human intervention details please

### Math

A factory has 3 machines that produce the same item. Machines 1 and 2 each produce 30% of the total output, while machines 3 produce 40%. It is known that 6% of Machine 1's output is defective, while machine 2 produces 5% defective items and machine 3 produces 4% defective ...

### accounting

I am having trouble with this can someone please help me? Thank You Post your response to the following: The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. In order to reserve a room, guests must pay one night’s stay in advance. On each floor...

### accounting

I am having trouble with this can someone please help me? Thank You Post your response to the following: The Ritz Manor is a popular seaside resort. A double room costs $220 for one night. In order to reserve a room, guests must pay one night’s stay in advance. On each floor...

### college,stats/ PLZ HELP:( need it within nxt 6hrs

Among Canadian households, 24% have telephone answering machines. If a telemarketing company contacts 2500 households find the probability that between 625 and 650 households, inclusive, have answering machines.

### Precalculus

1. Consider the curve y=x^2. a. write down (dy)/(dx) My answer: 2x The point P(3,9) lies on the curve y=x^2. b. Find the gradient of the tangent to the curve at P. My answer: 2*3=6 c. Find the equation of the normal to the curve at P. Give your answer in the form y=mx+c. My ...

### 7th grade science final

review Question -- 3 simple steps for DNA duplication I have found so many answers but cant get a concise one. 1. separation - of 2 dna strands unzips 2. duplicates 3. zips back up and then a simple sentence about each

### math

A clothing company has budgeted $58,000 for the purchase of 7 sewing machines. The 7 sewing machines are to be chosen from two models, model X and model Y. If a model X sewing machine costs $8,000 and a model Y sewing machine costs $9,000, how many model X sewing machines ...

### science

For each of the activities listed below: 1. Describe one way in which work is done (Reminder: For work to be done, the force and the distance must be in the same direction.). 2. List two simple machines used in each task. 1. making a meal oven, microwave 2. traveling to school...

### science

Physic. You can walk at the average speed of 2.5 m /s. How long will it take to reach your school 1km away?

### English

Identify the CAPITALIZED portion of the sentences below. 18. MY FRIEND MARY is coming with us to the zoo. complete predicate complete subject simple predicate simple subject 19. I think we should VISIT the monkeys first. complete predicate complete subject simple predicate ...

### Algebra

Total revenue is the total amount of money taken in by a business. An appliance firm determines that when is sells x washing machines, the total revenue, R, in dollars, is given by the polynomial R=252.05x-0.5x^2 what is the total revenue from the sale of 290 washing machines?

### algebra

total revenue is the total amount of money taken in by a business an appliance firm determines that when it sells x washing machines the total revenue, R in dollars is given by the polynomial R= 140.86x-0.2x^2 what is the total revenue from the sale of 266 washing machines.

### Physics- Simple machines

A wheel and axle arrangement has an axle with a diameter of 25cm. A rope is wrapped around the axle and is supporting a load of 2 tonnes. 1) If the mechanical advantage of the system is 30, determine the diameter of the wheel___________m. 2)Determine the effort required to ...

### Simple Science

In science, what is the meaning of the phrase "respective implication"?

### Statisitcs

The president of a company that manufactures car seats has been concerned about the number and cost of machine breakdowns. The problem is that the machines are old and becoming quite unreliable. However, the cost of replacing them is quite high, and the president is not ...

### PLEASE ANSWER!!! THIS US HISTORY QUESTION!!!

in response to the sheer size of american cities, the combination of urban political machines and "bosses" emerged to reveal a new form of politics in late 19th century america, discuss the relationship between the political machines and their bosses with the urban poor and ...

### Physic

A body weighing 150 N, moves with simple harmonic motion. The velocity and acceleration of the body when it is 200 mm from the centre of oscillation, are 5 m/s and 20 m/s2 respectively.Determine (a) amplitude of motion ,no. of vibrations per minute, Periodic time and angular ...

### business

) FIVE JOBS ARE SCHEDULED IN TWO MACHINES IN A MANUFACTURING SHOP. AL FIVE JOBS ARE TO UNDERGO PROCESSING IN BOTH THE MACHINES SEQUENTIALLY PROCESSING TIMES IN MINUTES JOB NO MACHINES1 MACHINE 2 1 4 7 2 6 3 3 2 3 4 7 7 5 8 6 A) IDENTIFY THE BEST SEQUENCE USING JOHNSON’S RULE...

### Maths

A, B and C made 795 machines at the same time. To make one machine, A needs 6 minutes, B needs 5 minutes and C needs 4.5 minutes. So, how many machines did C make?

### English

All of the following statements about simple sentences are true except a. a simple sentence consists of a subject and a verb. b.a simple sentence may have two or more subjects. c.a simple sentence may have two or more verbs. d.a simple sentence may contain a coordinating ...

### Math please check

I know the answer to the first one is "e" and the answer to the second one is "a "but I have no idea why please explain how to do these two problems. I am very confused with this new method. Thank you! The “Cobb-Douglas” productivity function for a factory is q = 100x0.8y0...

### bio science

Any ideas for a simple scientific study? Question, observation, hypothesis, testing, results and conclusion. Needs to be fairly simple and able to be tested an ample amount. Just looking for some ideas right now. If i can incorporate stream health, that would be great.