A 15 kg box is pulled with an applied force of 40 N with a rope at an angle of 40 degrees above the horizontal with a constant velocity. The box is pulled 10.0 m over a time of 5.0 seconds. Determine the power of the person pulling the box.

Q: 03: A 150 kg block is moves along a smooth horizontal surface at 172.8 Km/d. the horizontal surface…

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Q: An amusement park in Dubai has a ramp which is frictionless. A child drops a smooth object and it…

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Q: Activity 1. A 400 N bag of cement starts from rest and slides 12 m down a roof with a slope of 3…

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Q: The figure shows an overhead view of a 0.025 kg lemon half and two of the three horizontal forces…

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Q: When a 3.6 kg block is pushed against a massless spring of force constant 4.5 ✕ 103 N/m, the spring…

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Q: After the box in the figure has moved 3 meters from rest, the constant force P = 600 N is removed.…

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Q: When the system is moving with constant speed as shown, and M= 0.5 kg, and m= 0.2 kg . The…

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Q: A block is projected up a frictionless inclined plane with initial speed v_0 = 3.50 m/s. The angle…

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Q: A spring that has a force constant of 1150 N/m is mounted vertically on the ground. A block of mass…

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Q: 03: A 150 kg block is moves along a smooth horizontal surface at 172.8 Km/d. the horizontal surface…

A: Solution:-

Q: After the box in the figure has moved 3 meters from rest, the constant force P = 600 N is removed.…

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Q: A movie stunt performer is filming a scene where he swings across a river on a vine. The safety crew…

A: mass, m = 86 kg  length, r = 11 m  velocity, v = 8.2 m/s

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Q: A 34.2 kg block slides with a velocity of 10.22 m/s to the right on a frict figure above). The block…

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Q: A cart with mass 15.0 kg moves in a straight line on a frictionless horizontal surface. Take this…

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Static and Kinetic Friction

Kinetic friction comes into existence when there are moving surfaces means in other words we can say that the force which comes into existing between moving surfaces is known as kinetic friction.