25. If a complex machine is made up of a lever with a mechanical advantage of 3 and a wheel and axle WIER the complex machine? 12

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: A single fixed pulley and a movable pulley both are seperately used to lift a load of 50kgf to the…

A: Step 1In case of a single fixed pulley, the effort (Ef needed to lift a load) is equal to the load…

Q: Calculate its mechanical advantage F

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

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: 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: A fisherman is about to reel in a 9-lb fish located 15 ft directly below him. If the fishing line…

A: Given, Weight of fish, w1=9 lb, height, h= 15 ft, and weight of line, wl=1 oz/ft=1516lb=0.94 lb.

Q: Energy associated with the position of object is called ___ energy and is determined by its ___ and…

A: Answer            potential            mass          height

Q: A wheel is released from the top on an incline. Is the wheel most likely to slip if the incline is…

A:

Q: 1. Define and give two examples of the following simple machines: a. Inclined plane b. Gear C. Lever…

A:

Q: Output is 150kW at 5000rev/min, what is the torque?

A: It is given that

Q: What's a complex machine?

A: A complex machine consist of 2 or 3 simple machines. In order to understand complex machine, we need…

Q: evolves at 1650 rp

A:

Q: For the pulley system shown, what is the upper limit of weight the strong man can lift?

A: Given:  A man lifts a weight by a pulley

Q: Expalin why the mechanical advantage of class III lever is always less than 1.

A: A lever is a rigid bar which is rotating around a pivot point called fulcrum. It is mainly used to…

Q: Do you think there are any other types of simple machines, other than pulley, lever, wedge, wheel…

A: Here there are only given six types of simple mechines,pully, lever,wedge wheel and axle,inclined…

Q: o when rotated through

A:

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: A steel ball of mass 5 kg is rolling over a frictionless surface, as show the ball reaches point A…

A: Given:- A steel ball is m = 5 kg  When the ball reaches point A it has mechanical energy E= 250 J…

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: 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: Calculate the mechanical advantage.

A: The formula for the mechanical advantage is:

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: 44 The diagram below represents a person using a wheelbarrow to move a heavy load of soil. Which two…

A: SOlution: As given, which are the two simple machines are parts of the whel barrows.

Q: :F = (10 – h)j, F,: 1 j. Bo (h + 1)2 Во- Erom om root ot h

A: Given, Mass m = 1 kg external forces F1→= (10 - h)j⏞ F2→ = 1h+12j⏞

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: What is the speed of a 15 kW machine that supplies 10 ft-lbs of torque?

A: Given: The power of the machine is 15 kW. The torque supplied by the machine is 10 ft-lbs.…

Q: A typical car has an axle with 1.10 cm radius driving a tire with a radius of 27.5 cm. What is its…

A: Given data: The radius of the axle, ri=1.10 cm. The radius of the tire, ro=27.5 cm. The mechanical…

Q: How high will a winch motor with a POWER of 483 Watts lift a 18 kg crate straight up against gravity…

A: Given data:  Power (P) = 483 Watts Mass (m) = 18 kg Time (t) = 29 seconds Required: The height (h)

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: Question 2 A wagon of mass 150 tonnes, starts from rest and travels 75 metres down a 5% grade and…

A:

Q: Vhich of the pulleys will have a mechanical advantage of one? Select all that apply. 150 N SON SON…

A: SOlution: To find which pulley has the mechanical advantage of one.

Q: When a rope is wrapped around a wheel (or pulley) and pulled, the lever arm is the ________  of the…

A: The liver arm is the perpendicular distance from the axis of rotation to the line of action of the…

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: A chop saw with a mass of 12.60 kg is 0.75 m from one end of a worktable that is 2.00 m long. What…

A: Given data: The mass of the chop saw, m=12.60 kg. The distance from the chop saw to one end of a…

Q: rotational kinetic energy

A:

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: am porm the origin. Calculate energy when objecta spins kinetic at 1 tad/s. around z anis.

A: Four masses m1=m2=m3=m4=12Kg Distance between of all the masses r=2m Angular velocity, ω=1rads

Q: What is ideal mechanical advantage of a single fixed pulley? Can it be used as force multiplier?

A: Single fixed pulley has an ideal advantage of 1 because the effort force is same as the load…