Can the work done by Friction be zero? In a case where static friction exists, the object does not move and the change in kinetic energy is also zero? W = Fd = ?KE = 0? What did I do wrong?

Q: A box of mass m = 2 kg is kicked on a rough horizontal plane with an initial velocity v_O. If the…

A: Work energy theorem  It states that work done is equal to the change in kinetic energy.  W= ∆K.E

Q: The figure shows a box of mass m = 5.50 kg pulled to the right across a horizontal surface by a…

A: The work done due to tension force is,

Q: uOWhhill. Find the skiers speed C: 19.8 D: 10.2 4: Given a kid is pulling a (5 pound) box along the…

A: Solution- Applying constant force by the kid F=98 N at an angle 30 degree. distance d=20 m

Q: The system in the figure is released from rest. The coefficient of kinetic friction between block A…

A: Apply the equilibrium condition of the forces for block A along the vertical direction.

Q: The object in the figure below undergoes a displacement of 2.00 m. The work done by the F=10.0 N…

A: Given that F = 10 N Displacement ∆x→ = 2 m x^ Angle with X-axis θ = 60°

Q: In the figure shown, if the mass (m=6 Kg) is moving with constant speed and traveled a distance…

A: In the given question, we have to find the work done by the frictional force in moving a distance of…

Q: When 150 J of work is done on a system by and external force of 15 N in 20. seconds, the total…

A: The work done on the system is 150 J by the external force force of 15 N is 20 sec.

Q: An accelerating object of mass m=20 kg is fired with an initial speed v;=10 m/s at a starting point.…

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Q: An accelerating object of mass m-18 kg is fired with an initial speed v-7 m/s at a starting point.…

A: Given: The mass of the object is 18 kg. The initial velocity of the object is 7 m/s. The final…

Q: A hockey puck of mass 0.25 kg is sliding along a slippery lake with an initial speed of 60 m/s. the…

A: Given that Mass m = 0.25 kg Initial speed u = 60 m/s Coefficient of friction μ = 0.030 Final speed V…

Q: The force F(x) varies with position, as shown below. Find the work done by this force on a particle…

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Q: Several forces act on an object, but the total work done by all of the forces is zero. What can be…

A: Work done is defined as, by applying a force, displacement of an object from one position to another…

Q: A force →F=(1.50N)ˆi+(1.10N)ˆj+(8.00N)ˆk acts on a 3.40 kg mobile object that moves from an initial…

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Q: An accelerating object of mass m=18 kg is fired with an initial speed v=9 m/s at a starting point.…

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Q: A particle was subjected to a force Fg that varies with position as described by the x vs. x graph…

A: The work done on any body by a force is calculated by multiplying the force applied on the body…

Q: In the figure below, a block of ice slides down a frictionless ramp at angle e = 50° while an ice…

A: Here F = 30N D = 0.43m Here we will calculate work done by the rope

Q: From the force vs displacement graph, find the total work done on the particle from x-0 to x-6.0m…

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Q: A single force acts on a I kg panticle-like object in such a way that the position of the object as…

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Q: A particle was subjected to a force F, that varies with position as described by the F vs. x graph…

A: The area under the force displacement graph gives the value of work done.

Q: A 1200 kg car going 30 m/s applies its brakes and skids to rest. If the friction force between the…

A: Given Data, Question-1 Mass of the Car(m)=1200 kg Initial Speed of the car(u)= 30 m/s Friction Force…

Q: A small boat is crossing a lake on a windy day. During some interval of time, the boat undergoes the…

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Q: 16. A force F = (3i – 5+ 2k)N acts on a particle giving it a displacement of(3i + 4k)m. The work…

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Q: A 300-g object slides 80 cm in a straight line along a horizontal tabletop. How much work is done in…

A: Given:mass, m = 300 gm = 0.3 kgslides distance, d = 80 cm = 0.8 mco-efficient of kinetic friction,…

Q: Refer to the figure. A box is pushed 8 m upward with a force of 75 N in a rough inclined plane.…

A:

Q: A person is about to carry a 50 kg sack of rice on top of his head while walking for 20 meters…

A: Option B is correct  Work done on sack of rice is 0 joules.

Q: As a young man, Tarzan climbed up a vine to reach his tree house. As he got older, he decided to…

A: To determine: A young man Tarzan climbed up a vine to reach the tree house, what did the king of…

Q: A 5.0-kg cart is moving horizontally at 4.0 m/s. In order to change its speed to 6.0 m/s, the net…

A: Given: Mass of cart m=5.0 kg Initial speed u=4.0 m/s Final speed v=6.0 m/s To find net work done in…

Q: Find the work done by a constant force P on a particle during a displacement d if P = (3î – 2k)N and…

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Q: A piano mover is pushing a 240-kg piano a distance d=5.0 m with a force parallel to the floor of…

A: Hai, since there are multiple sub parts posted, we will answer the first three sub parts. (a) The…

Q: The initial velocity of a 3-kg particle is (1 i- 3 j) m/s. After some time, the velocity becomes (4…

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Q: A 5.40-kg box rests on a horizontal surface. The coefficient of kinetic friction between the box and…

A:

Q: A net force F = 6t² along the x-direction acts on an object of mass m = seconds and F is in…

A: Given expression -  F=6t2 .....(1) Force can be express as -  F=ma .....(2) Equating equation (1)…

Q: A 5.00-kg object has a velocity (7.00i – 2.00j) m/s. (a) What is its kinetic energy at this moment?…

A: Part aWhat is its kinetic energy at this moment? part(b) What is the net work done on the object if…

Q: A block slides across a rough horizontal tabletop. Which of the following is/a changed by the work…

A: Given information :- A block slides on a rough horizontal table and we need to think about the…

Q: In the figure shown, if the mass (m=4 Kg) is moving with constant speed and traveled a distance…

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Q: The only two forces acting on a 2-kg particle are: F = (3î - 4j) N and F,. The particle moves in the…

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Q: In the figure here, a block of ice slides down a frictionless ramp at angle 0=56.0 ° while an ice…

A: Given data: Angle, θ=56.00 Magnitude of force, F=58.0 N Distance along the ramp, d=0.410 m Increase…

Q: 1. A man carries a load of 500 N to a distance of 100 m. The work done by him is B. 50,000 Nm C.0 D.…

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

Q: A young woman on a skateboard is pulled by a rope attached to a bicycle. The velocity of the…

A: Calculate the power generated. P=F→·v→=17 Nx^+12 Ny^·5.1 m/sx^=17 N5.1 N m/s+12 N0=86.1 N·m/s×1 J1…

Q: Given a force-displacement graph, calculate the total work. 8.00- ... F 6.00- rc e, 4.00- 2.00-…

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Q: An initially stationary 2.0 kg object accelerates horizontally and uniformly to a speed of 10 m/s in…

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Q: How far must a 50N force need to push an object to do 10 J of work? A) 0.2m B) 5m C) 40m D) 60m

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Q: The force acting on a particle varies as in the figure below. Find the work done by the force as the…

A: The area under the curve will give the work done by the force.

Q: A man pulls a box weighting 40 N a distance of 10 m across the floor at constant speed. How much…

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Q: The initial velocity of a 2-kg particle is (1 i- 3 j) m/s. After some time, the velocity becomes (4…

A: Dear student The work can be calculated by finding change in kinetic energy of the particle. W= ∆K

Q: Does the net work done on a particle depend on the choice of reference frame? yes no

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