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please explain and and break down and show work
- What is the weight in SI physics units of a 26 kg object which is not moving?
please explain and and break down and show work and separate answer for a and b and explain
2. a. If you stand next to a wall on a frictionless skateboard and push the wall with a force of 30 N, how hard does the wall push on you?
b. If your mass is 60 kg, what is your acceleration?
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- I need help for the remaining follow up question. Attach here are the given as well as other answers. d. What is the weight force on the crate?e. What is the net force on the crate?f. What is the deceleration of the crate?g. Find the work done by each force acting on the crate.h. Find the total work done by all the forces.Ser in are stoned hat and our in heaving aspit or orsus bear-Earth system during the slide? (b) What is the kinetic energy of the bear just before hitting the ground? (c) What is the average frictional force that acts on the sliding bear? Could you draw picture and show all work equationsA 40 kg crate is hanging from a rope, and is being lowered with a downward acceleration of 2.0 m/s^2 a Construct a force diagram that represents the situation b. What is the magnitude of the force exerted by the rope on the crate? Show all work c. What would be the magnitude of the force exerted by the rope af the crate were being raised with an acceleration of 2.0 m/s^2? Show all work
- A roller-coaster car shown in the following figure is pulled up to point 1 where it is released from rest. Assuming no friction, calculate the speed at points 2, 3, and 4. please show your work, including diagrams, algebraic equations, and enough written explanations that somebody who is not familiar with the problem could understand what you are doing.1)A block with a mass of 44.0 kg is pushed with a horizontal force of 150 N. The block moves at a constant speed across a level, rough surface a distance of 6.65 m. Please draw and show your free body diagrams in your answers. This will also help you to solve the problem! (a)What is the work done (in J) by the 150 N force? (b)What is the coefficient of kinetic friction between the block and the surface?A block is at rest on a horizontal frictional surface. A string is attached to the block, and is pulled with a force of 65.4 N at an angle theta above the horizontal. After the block is pulled through a distance of 1.35 m, its speed is 1.69 m/s, and 85.0 J of work has been done on it. Part A: Find the mass of the block. Part B: What is the work done by normal force in this case? Explain. Part C: Let’s say you are lifting this block in air instead of pulling it on the ground and then let go of it. How high will you have to lift this block to reach this same speed of 1.69 m/s moments before it touches the ground?
- Remember to include given information, basic equations, calculations, and solutions with correct units for full credit. You are NOT to use kinematics unless otherwise stated. Captain America (100. kg) lunges vertically into the air, leaving the ground at 25.0 m/s and comes to a stop midair. a. How much work is done on him by gravity? b. Using the work–energy theorem, to what height did he reach?The graph shown in Figure 7 was generated by a computer inter- faced to a force sensor that collected data several times per second as a block of wood was pulled with a horizontal force across a desk. (a) Estimate the work done by the force applied to the block. Show your calculations. (b) Describe sources of systematic error when using a forceRemember to include given information, basic equations, calculations, and solutions with correct units for full credit. You are NOT to use kinematics unless otherwise stated. Black Panther (90.0 kg) is running along the ground and then must quickly slide to a stop after traveling at a speed of 15.0 m/s. Using the Work–Energy Theorem, a. Determine the coefficient of kinetic friction between his feet and the ground if he slides 24.0 m. b. How much power is done by the net force? You will need to use a kinematic equation to find time prior to completing this part.
- 2. A child slides down frictionless playground slides of equal height, starting from rest at the top.a. Find the ratio of the child’s acceleration on slides with different angles of incline. (Show the work of breaking g into components.)?1?2= ______________________________b. Find the ratio of the child’s final speeds on slides with different angles of incline. (Hint: use energy)?1?2= ______________________________c. Find the ratio of the child’s distances down slides with different angles of incline.?1?2= _____________________________ please write your work clearly and write a detail1. a) Beta convinces Alpha to drag their ice-fishing shack to a new location by pulling itwith ropes. Alpha applies a force of 150 N [175 ̊] on one rope and Beta applies aforce of 175 N [190 ̊] on another rope. What is the net force applied to the shackby Alpha and Beta? Assume the ice is frictionless. Show all work. b)The next day, Alpha decides to move the shack back to its original location. Alpha(having had a nutritious breakfast) is able to pull the 1800 kg shack at a constantvelocity with a force of 190 N. Calculate the coefficient of friction between theshack and the ice. Show all work.A box is being moved to the right at a constant velocity v by a force P (parallel to v) along a level horizontal floor. The normal force is FN, the kinetic frictional force is fk , and the weight of the box is mg. (a) Draw a free-body diagram of this situation. (b) Decide which forces do positive, zero and negative work. Give your reasoning.