12.) NEGLECT ANY FRICTIONAL FORCES BETWEEN THE TWO SURFACES A safe is loaded unto a truck whose bed is 5.50 ft above the ground. The safe weighs 538 lb. A.) If the effort applied is 140 lb, what length of ramp is needed?  B.) What is the MA of the inclined plane? C.) another safe weighing 257 lb is loaded onto the same truck. If the ramp is 21.1 ft long, what effort is needed?

Q: Towrope exerts a force on a water skier who is towed behind speedboat. b.) Normal force pushes…

A:

Q: A child weighing 300 N is on a swing supported by 1.50 m long ropes. Calculate the gravitational…

A: The potential energy of a body of weight W at a height h is given by P = Wh

Q: 3. A horizontal force of 5.0 N is used to push a box up a ramp 5.0 m long that is at an angle of 15°…

A: Answer: Given, Horizontal force, F=5N Length of ramp, d=5m Angle above the horizontal, theta = 15°…

Q: 4. Holly uses 686 N of force to hold his body in the bottom of a push-up position 25 cm above the…

A: The force is The distance is The holding time of the body is 30 s

Q: Forces such as gravity, for which the work done does not depend on the path taken but only on the…

A: Explanation Conservative forces are those forces in which work done by any force in a closed path is…

Q: A crate of mass 15.0 kg is pulled up a rough incline with an initial speed of 1.20 m/s. The pulling…

A: Data Given,  Mass of crate ( m ) = 15 kg Initial speed of crate ( vi ) = 1.20 m/s Pulling force on…

Q: 1. A small motor runs a lift that raises a load of bricks weighing 836N to a height of 10.7m in…

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Q: What is the numerical value for the AMA, if a ramp is 4.0m long and 2.0m high, requires an effort…

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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: 3. Find the work done in moving a satellite of mass (m) = 1500 kg from a location of height (h1) =…

A:

Q: 9. An 8m long beam of mass 30kg is supported at an angle of 309 above the horizontal with a cable as…

A: Draw a free-body diagram of the system.

Q: A contractor lifts beams (985 kg) 52 m using a 10 hp-rated crane. Convert 10 hp to Watts (use 1 hp =…

A: mass of beam (m) = 985 kg Distance moved (d) = 52 m Power of crane (P) = 10 hp = 10×746 W = 7460 W…

Q: Calculate the work done by a 1500 watts appliance if it runs for 300 seconds

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: Computing work Calculate the work done in the following situations. A stroller is pushed 20 m along…

A: The work done is given by, W=Fdcosθ Here, F is the magnitude of the force, d is the displacement of…

Q: A crane operating with power of 1225 W needs to lift a 500 kg mass to height of 30 m. About how ong…

A: Given:- mass of the object m= 500 kg  height h = 30 m  The power P =1225 W  Find:- how long will it…

Q: The units of power are Select one: a. Kg.m/s b. N.m^2/s C. N.m/s d. N.m O O

A: Power :- Power is defined as the work done divided by time. And the SI unit of power is Watt 1 Watt…

Q: How much power does it take to lift 50.0 kg 8.0 m high in 4.00 s?

A: Given data:  Mass (m) = 50.0 kg Height (h) = 8.0 m Time (t) = 4.00 s Required: Power (P)

Q: b) a=0.195 m/s', T=49.98 N No friction e- 32

A:

Q: Apply the work equation to determine the amount of work done, in N-m, by a 121 N force applied at an…

A:

Q: Question 5) A mass of 500 g stretches a spring 8.0 cm when it is attached to it. What additional…

A: At the total stretch the gravitational force would be equal to the spring force(kx)

Q: 9. When a load of 10 kg is hung from the wire, then extension of 2 m is produced. Then work done by…

A: We have a load of mass m=10 kg which is hung from a wire casing an extension of h=2 m and…

Q: A crate of mass 15.0 kg is pulled up a rough incline with an initial speed of 1.20 m/s. The pulling…

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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: 1. Hans Full exerts 2.42 x 10³ J of work in pulling on a rope to drag his backpack to school across…

A: Given: Work done, W=2.42×103 J Force, F=22.9 N  Displacement, d=129 m  To determine angle.

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

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Q: 5. If you tried to lift the object but couldn't, was any work done? Explain your answer.

A: Lets assume the force on the object to be F. And Displacement to be d. But as we couldnot lift the…

Q: How much work is done in moving a 130-kg crate along a rough floor 3.6 m without acceleration if the…

A: Solution: As there is no acceleration, the applied force,F =…

Q: A rickshaw puller pulls the rickshaw by applying a force of 160 N. If the rickaw moves with constant…

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Q: Find max e.

A: Torque acting downwards is given by ,τd=W×L2×cos(θ) Torque acting upwards is given by ,τu=N×L×sin(θ)…

Q: Which of the following formulae for Power is INCORRECT? а. V b. v2 R С. VI d. 12R

A:

Q: The man push with a force of 100 N. The child and sled combo has a mass of 25 kg and the coefficient…

A: Write the given values of this problem: F=100 Nm=25 kgμk=0.17x=3 m

Q: Question 10) Sasha pushes a 15 kg cart full of donated books through a 5.0 m fong starting area. The…

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Q: A rickshaw puller pulls the rickshaw by applying a force of 150 N. If the rickaw moves with constant…

A: Given data:  Force (F) = 150 N Velocity (v) = 90 km/h Needed: Power (P)

Q: 30 Box A is 2kg and Box B is 3kg. If applied force P is 20N and the co-efficient of inetic friction…

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Q: A force of 5 N will stretch a rubber band 1 cm (0.01 m), Assuming Hooke's Law applies, how far will…

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Q: When force is applied to move an object, work is the product of the force and the distance the…

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.