26. You are using a screwdriver to screw in a screw that has a pitch of 3 cm. The screwdriver has a handle radius of 10 ст. If the efficiency is 35%, how much effort (applied) force is needed to overcome a resistance force of 40 N? a.

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: A rope pulley system with 3 pulleys in the top and 2 in the bottom is required to lift a load. If…

A: Calculate the useful effort.

Q: 16. A crate weighing 8500 N is pulled up an inclined plane with a length of 12.0 m and a height of…

A: Solution: Given that W = 8500 N L = 12 m h = 2 m

Q: What is the mechanical advantage of the class 1 lever where Input = effort and Output = load. What…

A: Input force = Effort = 45 N Output force = Load= 90 N

Q: A hoist system will be used to raise a load of 892 N at a velocity of exactly 1.2 ms-1. If the motor…

A: Given data: weight of load, F = 892 N velocity of lifting, v = 1.2 m/sefficiency of motor, ηm = 85%…

Q: Calculate the load? Mechanical advantage of a machine is 70 Effort given = 12 kgf

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: The ideal mechanical advantage of a winch is 8.50 If the actual mechanical advantage of the winch is…

A:

Q: 12.33. The lever of a screw jack is 24 in. long. If the screw has six threads per inch, what is the…

A:

Q: The mechanical advantage of a simple machine is always eq

A: Hi , the correct is False . Reason is given below

Q: If an input force of 202 N is applied to the handles of the wheelbarrow with a mechanical advantage…

A: The input force applied to the handles is, The mechanical advantage of the wheelbarrow is,

Q: A winch is driven by a 4.0 kW electric motor and is lifting a load of 400 kg to a height of 5.0 m.…

A: Formula of efficiency is as follows: η(%)=PoPin×100…

Q: What is the ideal mechanical advantage of a ramp with a height of 3.5 meters and a length of 14.0…

A: solution is given as

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: The screw of a copying press has 2 threads to the cm, and the diameter of the wheel to which the…

A:

Q: The lever is a compound machine. True False

A: The lever consisting of a beam or rigid body pivoted at a fixed hinge. A lever is a rigid body…

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: 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: Calculate the IMA of a compound machine made of a lever with an input arm of 9 cm and an output arm…

A: Input arm (l) = 9 cm Output arm (L) = 3 cm Length of inclined plane (d) = 6 cm Height (h) = 0.5 m

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: 5. With a wheel and axle, a force of 80 N applied to the rim of the new wheel can lift a load of 640…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 1. THE PITCH OF A JACKSCREW SHOWN IN FIGURE BELOW IS 0.3 CM AND HAS A LEVER ARM OF 60 CM LENGTH.…

A: Write the given values of this problem. Pitch distance of a jackscrew(P)=0.3 cm or 30 mLever…

Q: Using a simple machine, a student is able to lift a 500N weight by applying only 100N. What is the…

A: The correct option is  5

Q: Calculate the mechanical advantage.

A: The formula for the mechanical advantage is:

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: the cross product

A:

Q: 1kWh = ?   A) 3.6 x 105 J B) 3.6 x 106 J C) 3.6 x 10-5 J D) 3.6 x 10-6 J

A: 1 kWh =  1kilo -Watt- hour             = 1 x 103 Watt-hour => 1kWh = 103×60×60 watt-sec…

Q: The mechanical advantage of a simple machine is always equal to its ideal mechanical advantage. O…

A: Actual Mechanical Advantage=FoutFin Ideal Mechanical Advantage =sInsout Explanation: The Actual…

Q: The dot product B*D is?

A: Write the given vectors in components form.…

Q: A machine does 186 J of work in 20 is the power of the seconds.what machine ?

A: Introduction :  In this question we are provided with value of work and time . with these data we…

Q: The dot product (3i - j)•B is?

A: Assume the co-ordinate axis in such a way that positive x-axis is towards right and positive y-axis…

Q: With a wheel and axle, a force of 80 N applied to the rim of the wheel can lift a load of 640 N. The…

A: Actual mechanical advantage of a machine is AMA=FwFi=640 N80 N=8

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: The longest escalator in the world has a length of 227 m. At the top of the escalator, a 52.0-kg…

A: Given: The length of the escalator is 227 m. The mass of the object is 52.0 kg. The gravitational…

Q: A force of 5kgf is required to cut a metal sheet. A shears used for cutting the metal sheet has its…

A: Given that, Load resistance L= 5 kg Load arm (L. A)=5cm Effort arm (E. A) = 10 cm  Let effort be E

Q: Write down a relation expressing the mechanical advantage of a lever.

A: The expression for the mechanical advantage of a lever is,Let us consider the load arm be AF and…

Q: 8 Determine the mechanical advantage of a pulley where you made an effort of 100 N to raise a load…

A: Given  Load=200 N Effort= 100 N Find the mechanical advantage of a pulley

Q: A pulley system made up of 3 pulleys, is used to lift a load of 10kg through a height of 50cm. If…

A:

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: A typical car has an axle with 1.05 cm radius driving a tire with a radius of 31.8 cm. What is its…

A: Mechanical Advantage gives a measure of the amplification of force done by a Machine. It is the…

Q: Compose a single informative paragraph about a mechanical device available in your house. Using…

A: Refrigerator is a device which maintain low temperature by absorbing heat from a body and rejecting…

Q: The efficiency of a lever machine is 81%. What is the work done on the machine if the machine…

A: Efficiency= 81% = 0.81,  Output work = 78 J Input work = ?