(a) The Eskimo pushes the same 50.0-kg sled over level ground with a force of 1.70 x 102 N exerted horizontally, moving it a distance of 5.90 m over new terrain. If the net work done on the sled is 2.90 x 102 J find the coefficient of kinetic friction. (b) Repeat the exercise with the same data, finding the coefficient of kinetic friction, but assume the applied force is upwards at a 40.0° angle with the horizontal.

Q: A mass is moved along a rough horizontal floor at constant velocity by applying a force F by means…

A:

Q: A force is given by the vector F= (12 i + 10 j) N and moves from the point (4i + 3j)m to the point…

A:

Q: A 2.5 kg mass is initially at rest on a horizontal surface. An applied force acts in the +x…

A: Given, Mass 'm' = 2.5 kg displacement 'd' = 1.5 m  final speed 'v' = 4 m /s at distance of 150 m…

Q: A shopper pushes her 25 kg grocery cart by a force of 225 N inclined at an angle of 60° with the…

A: Given that the value of force and mass and also given the angle then we have to determine the value…

Q: A 60-kg patient exercises on the treadmill, exerting a constant force of 500N while running at a…

A: 1.

Q: A boy carrying a bag on his shoulders walking at angle of 90 degrees does any work or not?

A: Given : A boy carrying a bag on his shoulders walking at an angle of 90 degrees. We know that the…

Q: What is the net work of a system if there is an applied force pushing it at a value of 7887.04N at a…

A: Given, Pushing force , F = 7887.04 N Distance, s = 26.62 m Coefficient of kinetic friction, μk =…

Q: Find the work done by (a) the 2250N force and (b) friction

A: Mass of cart = m = 25 kg  F = 2250 N  Angle with horizontal = 60°  Distance= d = 7.5 m  Friction =…

Q: A block of mass 2.50 kg is pushed 2.20 m along a frictionless horizontal table by a constant 16.0-N…

A: mass = 2.50 Kg d = 2.20  F = 16N directed towards below the horizontal

Q: A block of mass m = 4.8 kg is placed on a rough incline surface making an angle 0 = 24.2• with…

A:

Q: A block of mass 2.50 kg is pulled 2.20 m along a frictionless horizontal table by aconstant 16.0 N…

A: The figure is shown below:

Q: If a 50 kg object initially at rest is displaced 25 m by a constant net force of 600 N in the…

A: Work done is equal to change in kinetic energy of the body . Work done = (Force)*(displacement)…

Q: Cite an example in which a force is exerted on an object without doing work on the object.

A: The work done will be zero when the applied force on an object is perpendicular to the displacement…

Q: If a 50 kg object initially at rest is displaced 25 m by a constant net force of 600 N in the…

A: Given: Mass of the object, m = 50 kg Displacement, S = 25 m  Force, F = 600 N  Initial velocity of…

Q: A car with a mass of 900.0 kg climbs a 20.00° incline at a steady speed of 60.00 km/hr. If the total…

A: The steady speed of a car is, v=60 km/hr=16.67 m/s The total resistive or dissipative force acting…

Q: Calculate the work done by a mother who exerts a force of 8 N at an angle of 40° below the…

A: Given* The force exerts By mother is F = 8N* The angle at which force is applied is θ=40°* The…

Q: A 5.0 kg object is moving forward with an applied force of 10.0 N right, displacing 5.0 m right. The…

A: Total work done due to force of gravity on the object is ZERO. NO WORK IS DONE BY FORCE OF GRAVITY…

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

A:

Q: A big man is towing a large box with a cord that makes an angle of 25 degreeswith the horizontal.The…

A: Force applied on box = 100 N displacement of box = 2 meter angle between force and displacement…

Q: A carpet which is 6 meters long is completely rolled up. When xx meters have been unrolled, the…

A:

Q: A mass of 47 kg is moving horizontally as a force of 190 N, directed at 25° below the horizontal, is…

A:

Q: Find the work done by a force of magnitude 15 units in displacing a particle at a point (1,1,1) to…

A: Given: F→=15 units. Points A1,1,1, B2,1,3. Direction i^+2j^+3k^. Unit vector in the direction F→…

Q: A leaky bucket, which weighs 2 N empty and initially has 10 N worth of water in it, is lifted into…

A: Work done will be equal to change in the potential energy of the bucket. Let the potential energy at…

Q: Two forces are acting on an object of mass 20 kg on frictionless surface as shown in the figure.…

A:

Q: A force of 40 Newtons is applied to an object at an angle of 37 degrees from the horizon, displacing…

A:

Q: A 13.8 kg crate is pulled up a rough inclinewith an initial speed of 1.5 m/s. The pullingforce is…

A: Let the mass of the crate be denoted by m, the pulling force as F, the force of friction as f , v…

Q: A block of mass m = 3.1 kg is placed on a rough incline surface making an angle e = 13.5. with…

A: SOlution: Given that m = 3.1 kg angle = 13.5 degree coefficient of kinetic friction = 0.29

Q: pushes her 25 kg grocery cart by a force of 225 N inclined at an angle of 60° with the horizontal…

A: Given:-  The force on the cart is F = 225 N inclined at an angle of 60° with the horizontal. The…

Q: In Figure, a block of ice slides down a frictionless ramp at angle 0 = 52° while an ice worker pulls…

A:

Q: The same constant force is used to accelerate two caritos of equal masses, initially at rest on a…

A: Introduction: The work done on a body is the dot product of the force and the displacement of the…

Q: person pushes a m = 2.60 kg carton a distance d = 4.20 m along the floor by a constant for agnitude…

A: Given:-  m= 2.60 kg  d= 4.20 m  F= 16.0 N  θ=30° Find:-  (a) Determine the work done on the carton…

Q: A box of mass m = 2 kg is kicked on a rough horizontal plane with an initial velocity v_0. If the…

A:

Q: A force is given by the vector F = ( 2 i + 5 j) N and moves from the point (3i + 4j) m to the point…

A: force = (2i^ + 5j^) N initial position = (3i^ + 4j^) m final position = (2i^ + 3j^) m

Q: What is the work done by the normal force if a 10 kg mass moves 10 m up an inclined plane with…

A: Work done is defined as the Scalar product of force and displacement. W = F•d

Q: If you carry a bag of groceries weighing 115 N from your car to your kitchen, a distance of 44 m,…

A: Given data, Force on bag weighing = 115N Distance to be travelled = 44m We know that, Work done =…

Q: A 2.5 kg mass is initially at rest on a horizontal surface. An applied force acts in the +x…

A: According to work energy theorem,

Q: A cable exerts a constant upward tension of magnitude 2.26 ✕ 104 N on a 2.00 ✕ 103 kg elevator as it…

A: Write the equation for work done

Q: A block of mass m = 2.0 kg is pushed a distance d = 4.0 m along a friction surface with coefficient…

A:

Q: What is the work done by weight component at an inclination angle of 30 degrees, given that the mass…

A: In this question we have to find the work done by weight component at an inclination angle of 30…

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:

Q: If the net work done by external forces on a particle is zero, which of the following statements…

A: The work-energy theorem states that the net work done by the object will be equal to the change in…

Q: In the figure shown, if the mass (m=8 Kg) is moving with constant speed and traveled a distance d=18…

A: We know that work done  W = force ×displacement

Q: A box is supported by a 5.2 N vertical force and carried 2.3 m horizontally across a room at…

A: Work done by a force F in displacing an object by some distance 's' is given by- W=F.s=Fscos(θ)…

Q: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with a combined mass of 77.5…

A: In this question we have to answer how much work, in joules, is done by the rope on the sled over…