Using a simple machine, a student is able to lift a 500N weight by applying only 100N. What is the mechanical advantage of the simple machine? .2

Q: Both a short ramp and a long ramp reach a height 1 m. Which ramp has a greater mechanical advantage?

A: Mechanical Advantage (MA) = ( Input Distance) / (Output Distance)

Q: the mechanical advantage of the lever.

A: Given data;  Distance=30 cmOther end distance=90 cm from the load Find the following point a,b, and…

Q: What is the kinetic energy of a 3kg ball that is rolling 2m/s?

A: Kinetic energy of a moving particle , K.E = (1/2)MV2 Where M is mass of particle V is Velocity of…

Q: A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is…

A: A lever is a type of simple machine. It is a bar resting on a support known as fulcrum or a pivot.…

Q: used to lift a load of 1000N. Calculate A machine whose efficiency is 75% is a the effort put in to…

A: Ans:- Machine:- A machine is a device by means of which work can be performed easily or in a…

Q: Calculate its mechanical advantage F

A: Given data;  Length =4 m=400 cmFulcrum is situated at a distance=60 cmCalculate its mechanical…

Q: Cite an example in which a simple machine makes your work easier and faster.

A: In this question we have to give an example of a simple machine. Please give positive feedback if…

Q: How is the mechanical advantage related to the velocity ratio for (i) an ideal machine (ii) a…

A: The relation between mechanical advantage and velocity ratio is

Q: A crane lifts a 1460kg massive object from ground level to a height of 15m. This process is…

A: The given values are, m=1460 kgh=15 mt=49 s

Q: Power of the machine if it is 100% efficient.

A: Given data; Load raises by machine,F= 720 NHeight raises the load,h=12 m time,t= 5 secCalculate;…

Q: 13. A machine does 192 J of work in 24 Sec. What is the power of the machine?

A: Given data The work done by the machine is given ad W = 192 J. The time duration is given as T = 24…

Q: ift twice its mass or 2m?  What other examples of Mechanical Advantage are an average t

A: How can a mass, m, lift twice its mass or 2m?  Explain:- The mass m  can be left the mass 2m, menas…

Q: A hoist is to raise a 1135 kg of mine cage at the rate of 4.6 m/s. Mechanical efficiency of the…

A:

Q: 4.) An input force of 60 N is used to lift an object weighing 240 N with a set of pulleys. What is…

A: Given data:Input force, Finp = 60N Weight of object, W = 240 N

Q: An inefficient machine is said to “waste energy.” Does this mean that energy is actually lost?…

A: Energy conservation law is a universal law. According to this, energy can be neither created nor…

Q: Gina wheels her wheelchair up a ramp using a force of 80 newtons. If the ramp has a mechanical…

A: Given Data: The applied force is: Fa=80 N The mechanical advantage of the ramp is: MA=7

Q: Using a lever, Joe is able to lift a 10,000 N car off the ground with a force of 1,000 N. What is…

A: Weight of car= 10000 N Force applied by Joe We know that mechanical advantage(M.A)= output force/…

Q: What do you mean by an ideal machine, how does it differ from a practical machine?

A: Ideal machines are hypothetical machines which does not exist in real and they can have 100%…

Q: Shows an example of a Rube Goldberg machine. Identify two types of simple machines that are included…

A: A simple machine is a mechanical device that changes the direction or magnitude of a force. They can…

Q: Design a lever system using a 3.0 m lever that has a mechanical advan- tage of 2.5. Show your work.

A:

Q: Sergei uses a lever to lift a heavy rock. He obtains a 2.5 m lever and places the fulcrum 0.7 m from…

A:

Q: In your own words, explain why efficiency can never be 100% or more on a machine

A: Efficiency of a machine means ability of a machine to produce output with little to no waste.…

Q: Give two reasons why the efficiency of a single movable pulley is not 100%.

A: Step 1Efficiency of any machine is not 100%, as when we calculate, we consider the ideal case which…

Q: total mechanical energy

A:

Q: You Try solving the following problems. 9. A machine is 75 percent efficient. The work input is 4800…

A: The solution of this question is given below..

Q: What do you mean by simple machine? State the principle of ideal machine?

A: Ideal machines have the theoretical maximum performance, and therefore are used as a baseline for…

Q: Why is it important to reduce friction on compound machines?

A: The friction force is the force which opposes the relative motion between the two bodies.

Q: A machine does 192 J of work in 24 Sec. What is the power of the machine? I-

A: Given data:  Work (W) = 192 J Time (t) = 24 sec Required: Power (P)

Q: A bicycle is a compound machine using levers and gears. (a) True (b) False

A: Levers and Gears are simple machines on their own. However, bicycle is a compound machine that is…

Q: A force of 85 N is applied to the rim of the wheel can lift a load of 700 N through the use of wheel…

A: Given: Input force Fi=85N Output force Fout=700N The diameter of wheel = 40cm Radius of wheel…

Q: Wayne pulls a 305-N sled along a snowy path using a rope that makes a 45.0° angle with the ground.…

A:

Q: 26. You are using a screwdriver to screw in a screw that has a pitch of 3 cm. The screwdriver has a…

A: Given that the value of the pitch of the screwdriver and radius of the handle.Then We have to…

Q: Explain how one type of simple machines either multiplies forces, or changes its direction.

A: SOlution: To explain how one type of simple machines either multiplies forces, or changes its…

Q: Which is not a simple machine? O pulley ramp O bicycle wood screW

A: Pulley, Ramp and Wood Screw are all simple machines. Often, they are single piece components.…

Q: Give reason why the efficiency of a movable pulley is always less than 100%.

A: For a pulley,

Q: mechanical advantage ?

A: Given ; Sword blade is 20cm long effort arm= 20 cm  load arm= 2.0 cmCalculate it mechanical…

Q: How do simple machines provide mechanical advantage

A: Mechanical advantages Which  permits the person to execute the operation with respect to the  force…

Q: Which of the following is a compound machine?   A) Screw B) Knife C) Bicycle D) Ramp

A: (A) A screw has an inclined plane wrapped around a cylinder or a cone. It is a simple machine. Thus,…

Q: What is the formula to calculate the mechanical advantage of a lever?

A: Mechanical advantage  Its ratio of the input force to the output force. MA = input arm distance…

Q: When does a machine act as (a) a force multiplier , (b) a speed multiplier .

A: Machine acts as a force multiplier when

Q: (1 point) A pigeon with a total mechanical energy of 775 J sits atop a pole that is 47r tall. What…

A: Given, Total mechanical energy=775j Pole height=47m

Q: An effort of 100 N is required to lift a load of 2500 N by the first system of pulleys which has 5…

A: Given data: The effort is F=100 N. The load required to lift is W=2500 N. The number of pulleys is…

Q: State the relationship between mechanical advantage, velocity ratio and efficiency.

A: The more efficient a tool is, the greater its mechanical ratio will be. Ideal mechanical advantage…

Q: Explain why machines are never 100% efficient?

A: Given:  A machine which is 100% efficient.

Q: etermine the mechanical energy, kinetic energy, a

A: We know that the  mechanical energy of a system is generally in terms of potential energy and…