Match the type of machine to the formula for the IMA   Ratio of the teeth  Number of "support strands"   Length of inclined plane / height of inclined plane   Ratio of the radii   Inclined Plane   Set of Pulleys   Set of Gears   Wheel and Axle

Q: Ball A strikes ball B with an initial velocity of UA as shown. If both balls have the same mass and…

A: If u1→ is initial velocity of Ball A, and u2→=0 is initial velocity of Ball BV1→= final velocity of…

Q: Work and Torque have the same physical dimensions True False

A: To determine  True and false

Q: Will is climbing a hill. If the length Will travels is 75 meters and the hill has an angle of 35…

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Q: Given data: Force=2.54 N d=1.4 m

A: Given data : Force=F Displacement=d   Required: Work done

Q: 8. Find the charge and current in an RLC circuit with R = 11 ohms, L = (0.1 ) H and C = (0.01 + m)…

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Q: Marie works for a warehouse and loads trucks every On Tuesday, she is loading the truck shown in the…

A: Given: h=5 ftL=16 ft

Q: In comparison to a gradual ramp, a steeper ramp results in:  1) work to be done to get to the top…

A: Let in both situation person climb up to h height from the ground slowly.  Then work done,…

Q: Find the work done by a person weighing 126 lb walking exactly two revolution (s) up a circular,…

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Q: A worker uses a pulley system to raise a 225 N carton 16.5 m. A force of 129 N is exerted and the…

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Q: What is the work output of a machine with 62% efficiency with an in- put of 537 J? A 870 J 33 000 J…

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Q: For the lever shown in the figure below find the effort that can lift the load. (Use: g = 9.8 m/s)…

A: Torque is defined as Γ→=r→×F→=rFsinθ Here r is the distance, F is force and θ is the angle between r…

Q: A mangetic lift used to hoist very heavy iron objects at a scrap yard lifts a car of mass 2367.55 kg…

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Q: rem states that the change in the kinetic energy of an object is equal to what What is called to an…

A: We know the work-energy theorem, According to this theorem. The work done [W] on an object is equal…

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: Which of the following is not a unit of power? O J/s O N'm O horsepower Watts

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Q: m = 0.045 kg k = 490 N/m Δx = 0.13 m 2.2 J lost due to friction v = 6.4 m Find h.

A: Given: mass m=0.045 kg k=490 N/m ∆x=0.13 2.2 J is lost due to friction, v=6.4 m  To find: h=?

Q: Using a pulley you use 4 N to pull up a 24 N crate. Find the MA of the pulley AND how many support…

A: Mechanical Advantage(MA) = (effort force)/(load force) In another words, Mechanical Advantage(MA) =…

Q: Which of the following is the SI unit for gravitational kinetic energy? Joule is wrong

A: It does not matter which type of energy it is, energy means it will have the same unit.

Q: Two physical quantities a and b are added together, and the sum of two vectors is, as shown in the…

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Q: What is the ideal mechanical advantage of this pulley system? To A 2 B 3 C 4 D 6

A: Given: Here are the given notations, F=Applied force P=weight of hanging object No. of pulleys…

Q: The figure below displays a circular loop of metal wire in a uniform magnetic field pointing into…

A: Given: Radius of the circular loop = 13 cm = 13×10-2 m Magnetic field of the loop = 0.160 T Time…

Q: Compute work done Force applied=1.62 N Displacement=0.2 m

A: Given, Applied force F=1.62 N Displacement d=0.2 m Note: 1 J=1 Nm

Q: According to the NASA study referenced in the New Science of Learning presentation, a ____ nap…

A: Given, NASA study referenced in the New Science of Learning presentation

Q: How do you conduct an experiment that determines the efficiency of an inclined plane?

A: As per the answering guidelines, we will be answering the first question only. Kindly post the…

Q: The total length of a first class lever is 9.0 ft. This is used to move a load of 390 lbs, as…

A: givenTotal length of first class lever=9 ftload=390 lbs

Q: What are informed about a particular force: "the force is inversely proportional to the cube of the…

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Q: A spring with a natural length of 12 inches stretches 2 inches when 4 lbs. is applied to one end.…

A: The Problem can be solved by using the concept of weight and opposing force. The weight of the body…

Q: Two masses are connected by a rope, and the ro shown in the figure. What is the magnitude of the m,…

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Q: Which of the following would be a result of positive work being done on a moving car? * The…

A: Let the mass of car = m Let the speed of moving car = v

Q: How did the work output relate to the work input for the pulleys? Explain using your data

A: In this question we have to answer how the work output relate to the work input for the pulleys.…

Q: Given data Force=2 N Displacement=1 m Work done

A: