A block of mass M, which was initially stationary, is lowered downwards using a rope with an acceleration of magnitude g / 4. Here g is the acceleration due to gravity. According to this; a-) Calculate the work done by the force on the rope on the block when the block goes down by a distance d in the vertical direction in terms of given. b-) Calculate the work done on the block by the force of gravity in terms of what is given when the block goes down by the distance d in the vertical direction. c-) Calculate the kinetic energy of the block in terms of given values at the moment when the block went down by distance d in the vertical direction. d-) Find the velocity of the block in terms of those given when the block descends by distance d in the vertical direction.

A block of mass M, which was initially stationary, is lowered downwards using a rope with an acceleration of magnitude g / 4. Here g is the acceleration due to gravity. According to this; a-) Calculate the work done by the force on the rope on the block when the block goes down by a distance d in the vertical direction in terms of given. b-) Calculate the work done on the block by the force of gravity in terms of what is given when the block goes down by the distance d in the vertical direction. c-) Calculate the kinetic energy of the block in terms of given values at the moment when the block went down by distance d in the vertical direction. d-) Find the velocity of the block in terms of those given when the block descends by distance d in the vertical direction.

Similar questions

You are biking along a country road whenyou reach the base of a bridge travelling at 5.00 m/s. At the top of the bridge you have climbed a vertical distance of 5.20 m and have slowed to 1.50 m/s. Ignore any work done by friction or any inefficiency in the bike or your legs. (a) What is the total work done on you and your bike in going from the base of the bridge to its topif the total mass of you and your bike is 80.0 kg? (b)How much work have you done with the force you apply to the pedals?
State the condition when the work done by a force is (a) positive (b) negative. Explain with help of examples.
A 6.00 kg package slides 2.50 m down a long ramp that inclined 20° below [2.) the norizontal. The coefficient of kinetic friction between the package and the ramp is Hk = 0.23. Calculate (a) the work done on the package by friction; (b) the work done on the package by gravity3; (c) the work done on the package by the normal force; (d) the total work done on the package. (e) If the package has a speed 3.00 m/s at the top of the ramp, what is its speed after slidinga.50 m down the ramp?
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.
Consider a 900-kg car being pulled by a 1200-N force applied at anangle of 30 degrees with the horizontal. The car traveled a total distance of 5.0meters forward. The coefficient of kinetic friction between the road and the tires is0.25. Determine the work done (in Joules) by each of the external forces acting onthe car. Please show full solution.
Problem 2: Suppose a car approaches a hill and has an initial speed of 108 km/h at the bottom of the hill. The driver takes her foot off of the gas pedal and allows the car to coast up the hill. a) If the car has the initial speed stated at a height of h = 0, how high, in meters, can the car coast up a hill if work done by friction is negligible? b) If, in actuality, a 770-kg car with an initial speed of 108 km/h is observed to coast up a hill and stops at a height 20.5m above its starting point, how much thermal energy was generated by friction in J?
You slide a box of books of mass 31 kg at constant speed up a 30°ramp, applying a force of 200 N directed up the slope. The coefficient of kinetic friction is 0.18. (a)How much work have you done when the box has risen 1 m vertically? (b)How much work was done by gravity? (c)How much work was done by friction?(d)What was the net work done on the box? Draw Free body diagram as well