A Block of wood of mass 2.6 kg is moved up along 8.9 m incline from rest by applying a horizontal force of 25N . if the incline makes an angle of 23° with the horizontal and the total work done on block to move it up the i5 78.9 J calcuate the magnitude of frictional force between wood and the incline

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Q: Three clowns move a 275 kg crate 10.5 m to the right across a smooth floor. Take the positive…

A: The expression for the work done is as follows: W=F→·d→W=Fdcosθ               1 The expression to…

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Q: F=30N 25°

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Q: If it takes 5.00 J of work to stretch a Hooke’s-law spring 10.0 cm from its unstressed length,…

A: Given that, The work done to stretch a spring 10 cm from its unstressed length is 5 J. We need to…

Q: find (a) the work done by the applied force, (b) the the energy lost due to friction, (c) the change…

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Q: Suppose a 1400-kg elevator car is lifted a distance 42 m by its cable at a constant speed, assuming…

A: The objective of the question is to calculate the total work done on the elevator. The work done on…

Q: is pushed 4.O m along hori zontal floor by A 2 kg block a force of magnitude 25N at angle Q = 30.0°…

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Q: A horizontal force of 150 N is used to push a 38.0-kg packing crate a distance of 7.00 m on a rough…

A: (a) The work done by the force is

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Q: A cable exerts a constant upward tension of magnitude1.25 x 104 N on a 1.00 x 103-kg elevator as it…

A: Given,The magnitude of upward tension, T=12500NMass of the elevator, m=1000kgThe distance the…

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Q: A block of mass 2.50 kg is pushed 2.20 m along a frictionless horizontal table by a constant 14.0N…

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Q: A 100N block is being pulled along the surface of a table by a 50.0N force in a direction 35 degrees…

A: Given that,Force on block : FB = 100 (N)Force on table :  FT = 50 (N)Angle : θ = 35°Coefficient of…

Q: An Alaskan dog sled racer pulls his 75.0 kg sled at an angle of 40.0 degrees to the ground. He…

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Q: If it takes 5.00 J of work to stretch a Hooke's-law spring 10.0 cm from its unstressed length,…

A: Given,

Q: A 100N block is being pulled along the surface of a table by a 50.0 N force in a direction 35…

A: Given:external force, F = 50.0 Nweight of the block, W = 100 Ndistance travelled, d = 1.00 mangle…

Q: A hummingbird hovers by exerting a downward forceon the air equal, on average, to its weight. By…

A: Given,

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

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Q: A horizontal force of 150 N is used to push a 41.5-kg packing crate a distance of 5.20 m on a rough…

A: Solution: Given that Force of F = 150 N is used to push a m = 41.5-kg packing crate a distance of d…

Q: what is the work done by the pushing force, in Joules? b) What is the mass of the box, in kilograms?

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Q: constant velocity a distance 8.0 m along a 30° incline by the horizontal force F → . The coefficient…

A: mass of crate ,m=40 kgdistance moved on inclined =8 mangle of inclination =30°  µk = 0.40

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Q: A crate of mass 10.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s. The pulling…

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Q: How much work did the movers do (horizontally) pushing a 46.0-kg crate 10.6 m across a rough floor…

A: Given- Mass of crate (m) = 46 Kg Distance (d) = 10.6 m Coefficient of friction (μ) = 0.50

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Q: T7)A person is dragging a 20kg box along the ground by a rope 30° to the horizontal with à förce 81…

A: 17)     18)  (B) the work done by the net force.

Q: A man does 4.585 J of work in the proxess of pushing his 2.30*10^3 kg truck from rest to a speed of…

A: Work done= w = 4.585 J Mass of the truck = m = 2.30 x 103 kg. Distance = L = 25 m

Q: A mass of 3.50kg is pushed through a distance of 10.8m along a frictionless table by a constant…

A: The work done by the force can be expressed as W=F·d

Q: A 2.28 kg block is pushed 1.69 m up a ver- tical wall with constant speed by a constant force of…

A: Visualize the Problem:

Q: Figure 3 shows a 40 kg crate that is being pushed with constant velocity at a distance 8.0 m along a…

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Q: The crate of mass m= 31 kg is at rest at A on the theta=7o incline. The coefficients of static and…

A: Given,