What is the application of principle of work and energy
Q: 2. A 2.70 kg block starts from rest and slides a distance d down a frictionless 32.1° inclined…
A: Mass of the block m=2.7 kg and angle of incline is 32.1o. The block starts from rest (u=0) and comes…
Q: A car of mass 4540 kg is travelling over a hill with a radius of curvature of 13.9 m, at a speed of…
A: Mass of the car,m=4540 kg The radius of curvature of the hill, r=13.9 m Speed of the car, v=8.5 m/s
Q: Think About It Does it take any work to push an object that does not move? Explain.
A: We feel tired while we try to move an object even though the object doesn't move. So, we might feel…
Q: 10. Who is working harder, Fred running a 10 min mile pace at a 10% grade Pete who is 65 kg, cycling…
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Q: ndicate if WORK IS DONE or NO WORK IS DONE on the following situation. 1. A girl walking up the…
A: Given: indicate if WORK IS DONE or NO WORK IS DONE on the following situation. 1. A girl walking up…
Q: Work is energy transferred by
A: Work is done on an object when energy is transferred to the object whereas work is done by an object…
Q: 25. It is defined as the rate at which work is done. mechanical energy O power work O joule O o o O
A: The work can be expressed as, W=Fs Here, F is the force applied, and s is the displacement caused.
Q: Give Few Examples Of Kinetic Energy
A: Kinetic energy is the energy of motion, observable as the movement of an object, particle, or set of…
Q: The unit of work is a combination of the units of A force and displacement B force and…
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Q: Determine the value of work done if force applied on crate is 13 N displace the object by 2 m
A: If we apply a force F on an object and for which the object will displace by an amount x, then the…
Q: Which situation would produce 200 Watts of power 2 jof work done in 100 s 100j work done in 2 s…
A: Given power(p) = 200 watts
Q: what is the relation of Force, work, work-energy relation, and power
A: Force=mass.gravity Work =force.displacement =force.(final position -initial position)…
Q: 16. A 170 pound man wants to design a workout (on a treadmill) that will expend 300 kcal. He wants…
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Q: Is work done whenever a force is exerted? Explain.
A: Force F is applied to body to displace it from one position to another position, then work done on a…
Q: The system is released from rest with no slack in the cable and with the spring stretched 230 mm.…
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Q: How to solve this problem using the energy method? Like with potential energy and kinetic energy?
A: The expression of the speed from conservation of energy,
Q: Explain what it means for a force to do work on an object.
A: The work done is given by
Q: A 2.9 kg bucket of water is lifted vertically 1 m How much work against gravity is done? Use g = 9.8…
A: Given : m = 2.9 kg h = 1 m g = 9.8 m/s2
Q: ive an example equation for an egg picking up speed from 2 feet in the air down a hay filled ladder…
A: When an object of mass m is drop from height h then it is initially at rest which is having a…
Q: a bulldozer performs 80000 n-m of work pushing dirt a distance of 16m what is the fore of the dirt
A: Given:W=80000N⋅m (work done),Distance=16m (distance pushed),The work done (W) can be calculated…
Q: F 14 12 10 8. 4 2 4 6. 8. 10 12 Ax
A: To determine: Work done. Formula used: W = F.d Here, F is the force and d is the distance. In the…
Q: An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force…
A: mass = 2 kg height = 2m if the value of g = 10 m/s2
Q: Example of mechanical energy
A: Mechanical Energy :-also known as motion energy is the energy of an object due to its motion or…
Q: A good example of kinetic energy is provided by: O a cyclone an automobile storage battery None of…
A: In the case of an automobile battery and a wound-up clock spring, the velocity is zero. So, the…
Q: Power 1. is the rate of work per unit time 2. is a vector quantity 3. has units of Joules
A: Answer 1: Express the relation for the power as: P=Wt .......... (1) Here, W is the work done and t…
Q: What is the force that does zero work on a closed path Concurrent force Contact force Conservative…
A: Introduction :- Here we need to check for which type of force work done around a closed path is…
Q: A mother carries a 15 kg child up the stairs to bed. If the stairs have a vertical height of 3.2 m,…
A: The work done by the gravity on the child can be given as
Q: A force of 5 N acts on an initially stationary object of mass 15 kg. Calculate the work (J) done by…
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Q: More work done during an equal time means ________. Group of answer choices a-less power b-more…
A: Let the power be represented by P Work done be represented by W Time taken be represented by t…
Q: Distinguish between external work and internal work.
A: Work done can be defined as the product of the force and the displacement.
Q: Work is negative is you are going down the stairs. Is the statement true or false. true false lack…
A: When the height of an object changes then the gravitational potential energy of the object also…
Q: Potential energy is said to be "stored" energy. True False
A: True / False : "Potential energy is said to be stored energy"
Q: Give an example of each type of kinetic energy.
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Q: Listen Calculate the kinetic energy (in joules) of a 2500 kg vehicle travelling at 55 km/hr. Your…
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Q: A body at rest or in uniform motion is one that undergoes acceleration O is in equilibrium O is…
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Q: How much work was done if an objects kinetic energy changes from 35 J to 15 J? A) -20 J B) 20 J C)…
A: Given, Initial KE =35J Final KE=15 J
Q: Cite two examples in which a force is exerted on an object without doing any work on the object
A: Example 1 A boy whirling a stone tied to a rope in horizontal circle. In this case force applied…
Q: Name_ Date: Period: Classifying Potential or Kinetic Energy Various forms of energy can be…
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Q: Q4:- Show that the net work done on an object equals the change in kinetic energy of the object?
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