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- Please answer parts A-B. For B3, the two forces to compare are intertial drag and viscous drag force.Please help thanks! (a) When rebuilding his car's engine, a physics major must continuously exert 3.74 ✕ 102 N of force to insert a dry steel piston as it slides into a steel cylinder. What is the normal force (in N) between the piston and cylinder? (Enter the magnitude.) I ALREADY SOLVED A AND GOT: 1246.67N. AND IT WAS CORRECT. NEED HELP WITH B. (b) What force (in N) would he have to continuously exert if the steel parts were oiled? (Enter the magnitude.)A 10000 N (weight) submarine is moving through the water with an applied force of 8000n. A buoyant force of 12000 N and a friction force of 8000N also act in the submarine. What is the sub’s net force what happens to the sub?
- An athlete is training his stamina by pulling a load of 125 kg box at 846 N through a rough surface by a rope at 35.9° above horizontal as shown in Figure 4. Given that the coefficient of kinetic friction between the load and the surface, uk = 0.546 (a) Draw a complete free body diagram of the box(b) Compute the frictional force between the load and the surface(c) Determine the acceleration of the load(d) Without adding additional load, propose a slight modification to the above setting to increase the toughness of the training. Justify your proposal.A rope of mass 2.0 kg is fastened at one end to the ceiling of an elevator, and the other end hangs free. The elevator is moving downwards and is slowing down at a rate of 2.00 m/s^2. Find the tension in the rope at (a) the point attached to the ceiling, (b) the middle point, and (c) the lower end. Assume the density of the rope is uniform. Justify your answers by drawing free-body diagrams and applying Newton's laws. (d) Please also indicate the direction of the acceleration of the rope.List categorize the following forces as A) contact forces, B) fluid forces, or C) field forces. Indicate how the direction of each forces can be known by looking at the situation in which the force originates. gravitational forces- normal force- frictional forces- buoyant forces- electrostatic force- applied force(tension)- drag force-
- please: a block of mass m= 10.0 kg is pulled along a horizontal frictionless flow by a cord that exerts a force of magnitude F=25 N at an angle = 40. Draw the free boody diagram and find the acceleration of the block?At a construction site, a pallet of bricks is to be suspended by attaching a rope to it and connecting the other end to a couple of heavy crates on the roof of a building, as shown in (Figure 1). The rope pulls horizontally on the lower crate, and the coefficient of static friction between the lower crate and the roof is 0.509. What is the weight of the heaviest pallet of bricks that can be supported this way? (Hint: Start by drawing appropriate free-body diagrams.) (Express your answer in pounds.) What is the friction force on the upper crate under the conditions given in Part 1? (Express your answer in pounds.)A block of mass m=10 kg is pulled along a horizontal frictionless flow by cord that exerts a force of magnitude F= 25 N at an angle= 40. Draw the free body diagram and find the acceleration of the block?
- 1. Write Newton’s 2nd law for block A along the horizontal direction and solve for themagnitude of the force exerted by the rope on block A. 2. Write Newton’s 2nd law for block B along the horizontal direction and solve for itsunknown mass m. show the solution clearlyFind (Target variables) Givens/Knowns Free Body Diagrams (if applicable) Equations/Concepts SolutionTwo wood blocks are connected by a single string and are pulled across a horizontal, frictionless surface by an applied force of 3.0 N. Calculate: The acceleration of Block B The tension in the string between the blocks.