Q: A 75.0 Kg person stands on a scale that reads 500. Newtons. The person is pulling on a rope that is…
A: The tension in the rope T=mg-N =75.0 kg×9.81 ms2-500 N =236 N
Q: In the figure below, the table surface is NOT frictionless and the system is at rest. The mass of…
A: Free body diagram,
Q: The drag force F on a boat varies jointly with the wet surface area A of the boat and the square of…
A: Given :F α AF α S2⇒ F α AS2⇒ F = KAS2 , K : constant ......(I)For Boat A…
Q: A 28-kg block is connected to an empty 1-kg bucket by a cord running over a frictionless pulley. The…
A: Given, mass of the bucket m=1 kg mass of the block m1=28 kg coefficient of static friction μs=0.45…
Q: Two wood blocks are connected by a single string and are pulled across a horizontal, frictionless…
A: Assume that string is tight at t=0 . Force applied =3.0 N Since both the blocks are connected by…
Q: An object of mass 0.5 kg is placed on a rough surface with a coefficient of roughness of 0.2. The…
A: Frictional force is defined as the force of resistance offered by the ground on the object to…
Q: A 28 kg steel block sits on a lubricated steel floor. What is the maximum amount of static friction…
A: Given, mass of steel block is m = 28 kg stell block is situated on the lubricated steel floor.…
Q: The coefficient of kinetic friction is in the direction of the frictional force O is in the…
A:
Q: A ball of mass m1 and a block of mass m2 ( m1 > m2)are attached by a lightweight cord that passes…
A: …
Q: crate at rest weighs 10 N on a level surface with a coefficient of friction of 0.1. A force of 20N…
A: Given: weight of crate w = mg = 10N coeff. of friction μ = 0.1 applied force F = 20N angle of force…
Q: 3. A mass of 5kg is suspended by two strings 26cm and 33 cm long from two points that are 40cm apart…
A:
Q: A block of mass m is resting on top of a block of mass M that is placed on top of a frictionless…
A:
Q: Block A is connected to block B using a rope that passes over a frictionless pulley. The coefficient…
A: Given : Mass of block A = 5 kg Coefficient of static friction = 0.60
Q: A 7-m-diameter hot air balloon that has a total mass of 350 kg is standing still in air on a…
A: The expression for the required acceleration is,
Q: Which of the following statement(s) is/are true in minimizing the the stress of a rope. i. Increase…
A: Stress is defined as force per unit area stress=force\area
Q: Which of these best describes the two factors that determine the magnitude of friction? the…
A: Given Here some options is given for magnitude of friction force We have to choose best correct…
Q: Two blocks are tied together with a massless string that does not stretch and connected via a…
A: Given Mass 1, M1 = 5.7 kg Mass 2, M2 = 2.2 kg Tension in wire,T =?? Friction force ,Fs =??
Q: • Acceleration due to gravity is 10 N/kg. The surface area of fish pressed by the water above it is…
A: Data Given , Acceleration due to gravity ( g ) = 10 N/kg Surface area of fish pressed by the water…
Q: metal block with a mass of 2.2kg is resting on a table. The coefficient of kinetic friction between…
A:
Q: 7.3 kg box slides across the floor, experiencing a force of friction of 17.885 N [backward].…
A:
Q: LICATIONS OF PART ONE: Coefficient of Friction and Angle of Repose MATERIALS 1. The meter stick…
A: Let the mass of coin is m , and height h , be angle theta , length of stick is S In traingle ABC…
Q: Force is a push or a pull exerted by an object on another. 2. The surface exerts an upward force in…
A: 1. Force is a vector quantity 2.Normal reaction : a force applied by contact surface on each other…
Q: An egg is thrown at a wall and at a bed sheet. The force of impact will be___. Choose the letter of…
A: The force of impact will be a. greater against the wall.
Q: A box is pulled at a constant speed, v, along a horizontal surface with a kinetic coefficient of…
A: According to Newton's First Law of Motion, an external force is required to change the motion of the…
Q: Block A in the figure below weighs 74 N. The coefficient of static friction between the block and…
A:
Q: The amount of friction between two objects will depend on which of the of the following? A. The…
A:
Q: Two horses are pulling a barge down a canal, as shown in the diagram. Find the value of the tension…
A:
Q: Density means that an object has more weight than another object of equal size True or False
A:
Q: A student pushes a 10 kg box at a 30 degrees angle across a surface with 40 N of force. The surfaces…
A: The free body diagram of the system is given below:…
Q: Nine cubes are stacked one on top of the other. If every cube has a mass of m kg, what is the…
A: ( a ) weight of one cube = mg Weight of three cubes = 4mg Thus, the force exerted on the 5th cube by…
Q: A thin 1.50-mm coating of glycerin has been placed between two microscope slides of width 1.00 cm…
A:
Q: A basketball is sent upward. Neglect friction with the air. Three students have drawn the picture…
A:
Q: force has an object that is free to move. If we know the magnitude and the direction of the force…
A: force has an object that is free to move. If we know the magnitude and the direction of the force…
Q: Calculate the perimeter of a platform required to support a 70 kg person solely by surface tension.
A: The relation of the tension is given in terms of force, and the length of the platform. W=T L
Q: The drawings shoes two indentical systems of object; each consists of the same three small balls…
A: Given thatm1=9.5 kgm2=6.0 kgm3 = 7.7 kgThe magnitude of force, F = 497 N
Q: The force of friction depends on how much of the masses area is moving on a surface Group of answer…
A:
Q: Box B is pushed with a force 462 N [>] parallel to the ramp. Box A has a mass of 32.0 kg and Box B…
A: According to Newton's second law Net force = mass of the object × acceleration of the object FBD…
Q: It is more difficult to walk on a sandy road than on a concrete road because: A. sand is soft and…
A:
Q: A block of wood of mass 5kg rests on a horizontal surface. If a horizontal force of 20N is applied…
A:
Q: Ms. Estes is trying to assess which of her Physics students best comprehend the concepts of mass and…
A: Weight is a measurement of the force of gravity acting on an object. Mass is a measurement of how…
Q: A box rests on a level table. Let W be the weight of the box, and N is the normal of the table on…
A:
Q: The amount of friction between two objects will depend on which of the following? * a. The…
A: First, let us define what is friction. Friction is a force that resists the relative motion between…
Q: A block of wood of mass 5 kg rests on a horizontal surface. If a horizontal force of 20 N is applied…
A: Frictional force is resistive force offered by the surface to oppose the motion of an object. The…
Step by step
Solved in 2 steps
- When an object is accelerating in a fluid due to an applied force, the velocity where the magnitude of the drag on the object equals the magnitude of the applied force is called the A velocity.The coefficient of kinetic friction is in the direction of the frictional force O is in the direction of the normal force O is the ration of force to area O none of the aboveThe average density of the Sun is on the order 103kg/m3 . (a) Estimate the diameter of the Sun. (b) Given that the Sun subtends at an angle of about half a degree in the sky, estimate its distance from Earth.
- When water freezes, its volume increases by 9.05 . What force per unit area is water capable of exerting on a container when it freezes?A 55-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.30. A horizontal 140-N force is applied to the box. What is the friction force on the box?The coefficient of kinetic friction: Select one: O a. is in the direction of the frictional force O b. can have units of newtons O . is the ratio of force to area O d. none of the above e. is in the direction of the normal force
- Problem-solving questions At the back of the leg, two muscles pull on the Achilles tendon to create an upward force. Estimate the nett force if cach muscle has a diameter of about 5.0 mm and exerts a force in a direction of 25° from the vertical. (Use a force per unit area of muscle of 7x10° N/m²). An 18 kg penguin slides down an iceberg at an angle of 15° to the horizontal. Friction between the penguin's body and the ice surface is negligible. Determine the normal force acting on the penguin and its acceleration down the iceberg. A manufacturer of children's slides does some tests and discovers that the slope of a slippery slide must be at least 25° to the horizontal for the slide to work. The child involved in doing the testing weighs 35 kg. What is the coefficient of static friction between the child and the slide? A car drives onto a section of the road which is covered in ice. The driver attempts to stop by hitting the brakes but the wheels lock and the car skids for another 60 m.…A diving pool that is 4 m deep and full of water has a viewing window on one of its vertical walls. Find the force on the following window. The window is circular, with a radius of 0.5 m, tangent to the bottom of the pool.A box having a mass of 3 slugs was initially at rest when a 22.500lbs horizontal force applied to it. If the force was applied for 2seconds, what is the displacement of the box. Give the given and solution
- A 50 kg skier is going down a slope oriented 26 degrees above the horizontal. The area of each ski in contact with the snow is 0.14 m2. Determine the pressusre that each ski exerts on the snow.A 50 kg box lies on top of a 30 inclined plane, what is the force exerted by the plane on the box?Let ?Al represent the density of aluminum and ?Fe that of iron. Find the radius of a solid aluminum sphere that balances a solid iron sphere of radius rFe on an equal-arm balance. (Use any variable or symbol stated above as necessary.)