A 60 N block is pushed up a frictionless 39° inclined Plane by a horizontal force of 120 N applied parallel to the ground. The block is moved 10 m along the plane. Ar
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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…
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A: Draw the free-body diagram of the crate.
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Find the work done by the weight of the block and find work done by the normal force
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- Please find Work done by tension (J), Work lost to friction (J), and speed of box (m/s).A flight attendant pulls a suitcase for 20 [m] along a level floor by applying a 30 [N] force to the handle that makes an angle of 35 degrees measured from the floor. Calculate the work done by the attendant on the suitcase.(a) If force and displacement have the same direction, the work done is ________________. (b) If force and displacement have opposite directions, the work done is ___________________.
- Is it possible that the work done by a force is negative? Give an example.A force of 4 pounds is needed to stretch a spring 2 inches from its natural unstretched anduncompressed state. Find the work done stretching the spring from its natural length of10 inches to a length of 15 inches. Give your answer in the appropriate unitsConsider the skateboarder in the Figure. If she has a mass of 55 kg, an initial velocity of 20 m/s, and a velocity of 12 m/s at the top of the ramp along horizontal direction. After that she flies into the air and strikes the ground. (Ignore air friction and the kinetic energy of the skateboard) a)What is the work done by friction on the skateboarder? (b)Calculate the flight time of the skateboarder. (c)Calculate the velocity at which she strikes at the
- A 510 kg elevator accelerates upward at 1.5 m/s? for the first 11 m of its motion.A horizontal force of 150 N is used to push a 47.5-kg packing crate a distance of 5.00 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150-N force (b) the coefficient of kinetic friction between the crate and the surfaceA horizontal force of 150 N is used to push a 41.5-kg packing crate a distance of 6.05 m on a rough horizontal surface. If the crate moves at constant speed, find each of the following. (a) the work done by the 150-N force (b) the coefficient of kinetic friction between the crate and the surface
- Calculate the mechanical potential energy.A block of mass m is on an inclined ramp. The ramp makes anangle θ with respect to the horizontal, as shown. The ramp hasfriction, with coefficient of kinetic friction μk and static friction μs.This experiment takes place on earth.The block has an initial speed of v up the ramp. It travels adistance d along the ramp before it stops.Answer using variables, please d) Calculate the work done by the Friction force as the block travels the distance d.Is it positive, negative, or zero?e) If the block comes to rest, how far has it travelled?Use the work-energy principle and your results of parts b), c), and d).f) Briefly (one sentence) explain why this problem could not be solved using conservation ofenergy.calculate the work