A lumberjack is trying to drag a small tree that he cut down. If the static coefficient of friction of the tree on the ground is 0.5 and the tree weighs 430 N, what is the minimum amount of horizontal force that he will need to apply so that the tree will start moving?

Q: „DATUM .. 37

A: Let the tension in the rope be T Weight of Block A, WA=150 N Weight of Block B, WB=50 N considering…

Q: Two ropes apply a force to a boat. The first is 800 N in the positive x direction, and the second is…

A:

Q: A 336-kg crate rests on a surface that is inclined above the horizontal at an angle of 22.8°. A…

A: Concept: The Free Body diagram of the system is given below Given: The Mass of the crate = 336 kg…

Q: Ed is pushing with a force of 352.9 N at an angle of θ = 56.1 degrees with respect to the vertical…

A: ANSWER :- Since the sofa is not moving the friction is static and equal to the net horizontal force.…

Q: A 3.3 kg block is on an incline with a coefficient of static friction of 0.50. The angle that the…

A: Let m be the mass of the block, g be the acceleration due to gravity, θ be the angle of inclination,…

Q: Two ropes apply a force to a boat. The first is 500 N in the positive x direction, and the second is…

A: The answer is below

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: A block with a mass of 5.84 kg is at rest on an inclined surface. The surface makes an angle of…

A:

Q: is at rest on a horizontal floor.  A 22 kg child sits on top of the box.  A person pushes the box…

A: Net force = ma

Q: A 10 kg block rests on a rough horizontal table with a rope attached to it. The coefficient of…

A: Analyze the free body diagram of the given system. Here, mg, N, fs, F and µs represent the weight…

Q: A 50.0 kg box is being pushed along a horizontal surface by a force of 200.0 N directed 30° below…

A: Applied force = =200 N Normal force exerted by surface on the box = weight + F sin(theta)  = mg + F…

Q: A 3.47 kg block is placed at one end of a wooden plank that is 9.05 m long. The plank is slowly…

A:

Q: A woman exerts a horizontal force of 109 N on a crate with a mass of 38.7 kg.   (a) If the crate…

A: Here, the free body diagram shows the horizontal force as FH  and  fs is the static friction, N is…

Q: A bedroom bureau with a mass of 42 kg, including drawers and clothing, rests on the floor. (a) If…

A:

Q: A man is pulling two boxes, one on top of the other, up the ramp shown by pulling on a rope parallel…

A: We need to find out the magnitude of the maximum acceleration the man can pull the boxes up the ramp…

Q: You are pushing a metal crate against a metal floor. The two surfaces have a static coefficient of…

A: Given data: Coefficient of static friction (μs) = 0.62  Coefficient of kinetic friction (μk) = 0.50…

Q: A person pushes horizontally with a force of 170. N on a 52.0 kg crate to move it across a level…

A: Given data: The horizontal force is F=170 N. The mass of crate is m=52.0 kg. The coefficient of…

Q: A 4.870 kg block of wood rests on a steel desk. The coefficient of static friction between the block…

A:

Q: e 2 blocks stacked on a table. The top block has a mass of 2.0 kg, and the bottom block has a mass…

A: friction force is a contact force and opposing relative motion. FS = μs m g     μ s= coefficient of…

Q: A woman is pushing a box along the ground. She is exerting a horizontal force of 156 N on the box.…

A: frictional force = 135 N μmg = 135 μ * 84 * 9.8 = 135 μ = 0.164 Therefore, coefficient of kinetic…

Q: A car (m = 1750 kg) is parked on a road that rises 19° above the horizontal. What are the magnitudes…

A:

Q: An early submersible craft for deep-sea exploration was raised and lowered by a cable from a ship.…

A: Tension in cable when craft is stationary T=6500 NDrag force due to water FD= 1800 N

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: car (m = 1980 kg) is parked on a road that rises 13° above the horizontal. What are the magnitudes…

A: Mass of car (m) = 1980 kg Angle of road with the horizontal (θ) = 13o above horizontal

Q: The drawing shows a circus clown who weighs 920 N. The coefficient of static friction between the…

A:

Q: Six 5 N blocks are stacked vertically. The coefficient of static friction between the blocks is µs =…

A:

Q: An 80.0 kg mail bag hangs by a vertical rope 3.7 m long. A postal worker then displaces the bag to a…

A: given data

Q: A block is placed on a wooden plank, which is initially horizontal. One end of the plank is slowly…

A:

Q: A girl exerts a horizontal force of 131 N on a box with a mass of 38.7 kg. HINT (a) If the box…

A: Mass of the box is m = 38.7 kg Horizontal force exerted of the box is F = 131 N

Q: A boy has filled his toy box with all his favorite toys and it trying to drag it across the floor.…

A: Given Data: Mass of toy box is m= 35 kg Pulling Force F= 24 N Angle with horizontal Q=30° The free…

Q: A small child is trying to push a 100 kg box across a rough surface He is applying a force of 100 N…

A:

Q: A car (m = 1600 kg) is parked on a road that rises 12° above the horizontal. What are the magnitudes…

A:

Q: A woman's car is stuck in the mud, so she uses a rope to connect the front bumper to a pole, and…

A:

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 worker pulls a 15-kg crate in a straight line on a level surface by imparting a horizontal tension…

A:

Q: A woman exerts a horizontal force of 135 N on a box with a mass of 39.2 kg.   (a) If the box…

A: To find :(a)The magnitude of the static friction force (in N)(b)The minimum possible value of the…

Q: A boy has filled his toy box with all his favorite toys and it trying to drag it across the floor.…

A:

Q: A car (m =  1700 kg) is parked on a road that rises  19° above the horizontal. What are the…

A:

Q: A 15-pound box sits at rest on a horizontal surface, and there is friction between the box and the…

A: The normal force acting on the box is :  FN=mgcosθ The friction force acting on the box is :…

Q: A woman holds a book by placing it between her hands such that she presses at right angles to the…

A: Weight = mg In equilibrium, the friction will balance the weight of the body

Q: An early submersible craft for deep-sea exploration was raised and lowered by a cable from a ship.…

A:

Q: A book of mass 9 kg rests on a plank. You tilt one end of the plank and slowly increase the angle of…

A: Given data: -  The mass of the book is m = 9 kg. The coefficient of static friction between the…

Q: A constant force Fa pushes a 22.5-kg box across a rough horizontal surface. The magnitude of Fa is…

A:

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: