A person pushes on a 44.9 kg refrigerator with a horizontal force.  The coefficient of static friction is 0.721. What is the magnitude of the largest pushing force that can be applied to the refrigerator before it just begins to move?

Q: a 250.0 kg crate is being pulled across the floor with a rope that makes an angle of 22.0° to the…

A: Consider the free-body diagram of the crate as follows.

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 46 kg. You were pulling…

A:

Q: am designing a ramp to slide boxes down. The angle of the ramp is 35º. A plastic box massing 30 kg…

A: angle of friction          tanθ=μ if  μ > μs=k  then no slide  μ < μs=k   slide

Q: The coefficient of static friction between a block and a horizontal floor is 0.47, while the…

A: Given data The block mass is: m = 4.2 kg The coefficient of static friction is: μs = 0.47 The…

Q: A sled and rider have a total mass of 52.5 kg. They are on a snowy hill. The coefficient of kinetic…

A: Kinetic Friction: Kinetic Friction is the Frictional force experienced by two objects having…

Q: A delivery company has unloaded a 35 kgkg crate in your driveway. The coefficient of static friction…

A: Mass of the crate (m)=35 kg Coefficient of kinetic friction (μ)=0.2 Acceleration of the crate (a)=5…

Q: A 2kg box is being pulled up a ramp by a force of 24N. The ramp is at an angle of 35 degrees from…

A:

Q: A 10.0-kg box is at rest on a concrete floor. The coefficient of static friction between the box and…

A: mass, m = 10 kg static friction coefficient = 0.75  kinetic friction coefficient = 0.62  Force, F =…

Q: When you push a 1.92-kgkg book resting on a tabletop, you have to exert a force of 2.08 NN to start…

A: The mass of the book is m = 1.92 kg. Assume the acceleration due to gravity of Earth as g = 9.80…

Q: Bonnie and Clyde are sliding a 307 kg bank safe across the floor to their getaway car. The safe…

A: Draw the free body diagram of bank safe.

Q: The coefficient of kinetic friction between a 40 kg crate and the warehouse floor is 60 % of the…

A: The normal reaction acting on the crate will be: Therefore, the kinetic frictional force acting on…

Q: A person pushes horizontally with a force of 170. N on a 61.0 kg crate to move it across a level…

A: (a) The magnitude of frictional force,

Q: You are lowering two boxes, one on top of the other, down the ramp shown in the figure by pulling on…

A:

Q: A horizontal force of 800 N is needed to overcome the force of static friction between a level floor…

A: The magnitude of horizontal force F=800 N The mass of the crate m=200 kg The acceleration due to…

Q: A boy pulls a sled of mass 5.0 kg with a rope that makes a 60 degree angle with respect to the…

A: Here, given quantities,mass = m = 5.0 kg applied force = F = 10.0 Nangle with horizontal =  theta =…

Q: Mary applies a force of 78 N to push a box with an acceleration of 0.49 m/s2. When she increases the…

A: Draw the free-body diagram of the system.

Q: Sammy is doing a strength testing session on the turf in preparation for the upcoming basketball…

A: Mass of sled (m) = 105 kgCoefficient of static friction (us) = 0.3Sammy apply only horizontal…

Q: A hunter is pulling his sled 45 kg in mass behind him on snow. He exerts a pull of 170 N in…

A:

Q: A man pushes a 2.0kg broom at constant speed across the floor. The broom handle makes a 50 degree…

A: Mass of the broom is m = 2.0 kg Force on the broom is F = 5.0 N Angle of the broom with the floor is…

Q: A coin is resting on the surface of a closed book. As you slowly open the cover, the coin remains in…

A: The angle of repose is the maximum angle at which any object remains stable. It's the threshold…

Q: A rubber toy duck is at rest on an inclined plane. When the angle of inclination of the plane is…

A: Given: Initial angle (θ1) = 35.3 Final angle (θ2) = 30.7

Q: If the coefficient of kinetic friction, lk, between the block and the surface is 0.40 and the…

A: Given, Coefficient of kinetic friction μk=0.40 N Magnitude of friction force f = 80 N   We know the…

Q: Raquel is moving a 35.4 kg supply bin from classroom to another. To move the bin across the floor at…

A:

Q: A delivery company has just unloaded a 500-N crate full of home equipment on the sidewalk in front…

A: Given: Weight of crate, w=500 N Tension, T=230 N Before crate starts to move, Static friction,…

Q: A man wants to accelerate a child on a sled. The combined mass of the child and the sled is 30.0 kg,…

A: Let m be the combined mass of the child and the sled, F be the force applied, µ be the kinetic…

Q: A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book…

A: Force(F) needed to keep the book at constant speed should be equal to the force of kinetic friction.…

Q: Two workers are sliding 390 kg crate across the floor. One worker pushes forward on the crate with a…

A: Given:- Two workers are sliding m= 390 kg crate across the floor. One worker pushes forward on the…

Q: A 40-N crate rests on a rough horizontal floor. A 12-N horizontal force is then applied to it. If…

A: The weight of the box acts in the vertical direction. When the 12N force is applied on the crate,…

Q: A 235 N crate rests on a ramp; the maximum angle just before it slips is 27.8° with the horizontal.…

A: Given: The weight of the object is 235 N. The maximum angle of inclination is 27.8o  The free-body…

Q: n. The child then pulls horizontally on the wagon with a force of 65 N. If the box does not move…

A: Given A 32 kg child puts a 15 kg box into a 12 kg wagon Force applied by child horizontally on…

Q: Mary applies a force of 78 N to push a box with an acceleration of 0.40 m/s?. When she increases the…

A:

Q: A 69 N ice skater is pushed across the ice in a skating rink by a friend. The coefficient of…

A: Given data-

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: