8-26. The refrigerator has a weight of 180 lb and rests on a tile floor for which u= 0.25, I| the man pushes horizontally on the refrigerator in the direction shown, determine the smallest magnitude of horizontal force needed to move it. Also, if the man has a weight of 150 lb. determine the smallest coefficient of friction between his shoes and the floor so that he does not slip.

Q: 3. Two blocks A and B of weights Wa and Wa respectively rest on rough inclined plane and are…

A:

Q: a 15 kg block had been pulled horizontally at an angle 30 to the left. Given that normal force is…

A: Given information: Mass of the block (m) = 15 kg The angle at which it is pulled (θ) = 30 The normal…

Q: In a mail-sorting facility, a 2.50-kg package slides down an inclined plane that makes an angle of…

A:

Q: 3-12. The lift sling is used to hoist a container having a mass of 500 kg. Determine the force in…

A:

Q: a) A delivery truck with two stacked crates in the back brakes quickly. The crate on the bottom just…

A: GIVEN: top crates Mass m = 27kgand the mass of bottom creats 22kgcoefficient of static fraction…

Q: *4-116. Replace the three forces acting on the shaft by a single resultant force. Specify where the…

A: Solution:-Given that

Q: Q7: MCQ A horizontal force of 95N is applied to a 60kg wood-box on a rough level surface ( ). If the…

A: Given:- The horizontal force F = 95 N  The mass of the wood box m = 60 kg  if the wood box…

Q: 13-6. A body takes twice as long to slide down a plane inclined at 30° to the horizontal as compared…

A: The objective of this question is to determine the coefficient of kinetic friction when a body takes…

Q: None

A: Step 1:Given:The combined weight of the toy chest: W=200NThe coefficient of static friction between…

Q: 5) You and your friend are both pushing a couch across a living room. You apply 300 N at an angle of…

A:

Q: At an accident scene on a level road, investigators determine that a car slid for a distance 72 m…

A:

Q: 1. The coefficient of friction for all surfaces of contact is 0.35. Determine the minimum weight of…

A:

Q: 6 m 3m 4 'm 4 m 4 m 6 m 3 m m 4m Determine the tension developed in the three cables required to…

A: Given:Mass ,m=20 kgHeight,h=3.5 mFind the tension developed in the three cables.

Q: The 89-kg crate shown rests on a horizontal surface for which the coefficient of kinetic friction is…

A: Given: The mass of the block is 89 Kg. The applied force is 400 N. The coefficient of friction is…

Q: The force P is applied to the 45-kg block when it is at rest. Determine the magnitude and direction…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: as shown: 3) A mass, m2 = 40 kg is pulling up another mass, m1, via a pulley m1 m2

A: Given: Mass m2=40 kg, the ramp is inclined at an angle θ=30° coefficient of static friction μs=0.4…

Q: Calculate the magnitude of the force P needed to push the block of mass 15 kg at constant velocity…

A:

Q: Determine the magnitude of the minimum perpendicular force that must be applied to a 3.0 kg book to…

A:

Q: The coefficients of static and kinetic friction between the 100-kg block and the inclined plane are…

A: Concept: The Schematic Diagram of the System is given below Here, W= Weight of the Block…

Q: A 3.5 kg block is pushed along a horizontal floor by a force F of magnitude 20 N at an angle of 400…

A: Mass of block m = 3.5 kg F = 20 N θ = 40° Coefficient of kinetic friction  μk = 0.25 Block's…

Q: 13-5. A body slides down a plane inclined at 40° to the horizontal, with an acceleration of 2.3…

A:

Q: 13-8. What force does a 180-1b man exert on the floor of an elevator that is moving downward and…

A: The objective of the question is to find the force exerted by a man on the floor of an elevator that…

Q: Q7) You are pushing a 26 kg crate on a horizontal floor (see Fig. 5), where the coefficient of…

A: Given:- mass of the creat = 26 kg  coefficient of static friction μs=0.17  coefficient of kinetic…

Q: Suppose you have a 116-kg wooden crate resting on a wood floor. (?k = 0.3 and ?s = 0.5) What maximum…

A: Given that Mass of the wooden crate is (m) =116kg μk= 0.3 and μs= 0.5 Acceleration due to gravity is…

Q: In the figure, if the box is stationary and the angle between the horizontal and force is increased…

A:

Q: Determine the force Prequired to force the 11° wedge under the 76-kg uniform crate which rests…

A:

Q: 6. A block of mass 20 kg is pushed against a vertical surface as shown. The coefficient of friction…

A: Given:         mass of the block is m = 20 kg        coefficient of the friction is μ = 0.2 and…

Q: A box is pulled at a constant speed, v, along a horizontal surface with a kinetic coefficient of…

A: Given data: Constant speed =v Constant horizontal force=f The kinetic coefficient of friction is…

Q: A 5 kg block rests on a 30o incline. The coefficient of static friction between the block and the…

A:

Q: A 52.1-kg skier moving horizontally at 4.91 m/s encounters a 20.7° incline. a) How far up the…

A:

Q: 3. Three blocks m¡, m2, m3 with masses of 2kg, 4kg and 6kg respectively are placed on a rough…

A:

Q: A block is lifted by a plane inclined 20 ° with respect to the horizontal by means of a force F that…

A: Let F denotes the total applied force, F′x denotes the component of the force that is parallel to…

Q: 6. Note the situation where the clothes hanging on the line may be too low. If the weight of the…

A: Weight Of clothes is balanced by vertical component of tension force . Angle made by string with…

Q: During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that…

A:

Q: A body of mass m = 6kg is pushed by a horizontal force F = 12 N on a vertical wall. Determine the…

A:

Q: If an object is known to be static or at rest: the resultant force acting on the object is unknown.…

A: Using Newton’s second law: Fnet = ma………..(1) Here, Fnet is net force m is mass of object a is…

Q: A sphere of mass 5.0 × 10-4 kg is suspended from a cord. A steady horizontal breeze pushes the…

A:

Q: 65. A 100-kg streetlight is supported equally by two ropes as shown in Figure 4-43. One rope pulls…

A: Given Mass of street light is m=100 kg Acceleration due to gravity is g=9.80 m/s2 Find the tension…

Q: In the figure below, a climber leans out against a vertical ice wall that has negligible friction.…

A:

Q: 4-13. A 1250. kg elevator is held up by a cable. Find the tension in the cable: a. when the elevator…

A: Part A. Mass of elevator = 1250 kg Free body diagram is given as follows: here, T is the tension…

Q: A person is pushing a wooden crate of mass mo = 20 kg at a constant speed v = 1.2– for Ax = 3 m…

A: mo = 20 kg vo = 1.2 m/s ∆x = 3 m μk = 0.4

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: