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: 20 kg box sits on a level floor. The box does not move until you push on it with a horizontal force…

A:

Q: A 30.0 kg trunk is pushed across the floor of a moving van by a horizontal force. If the coefficient…

A: Frictional force is the opposing force that  exerted by a surface as an object moves across it. fr =…

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: A student uses a force P of magnitude 55 N and angle 0 = 75° to push a 4.0 kg block across the…

A: Given: The mass of the block is m=4 kg. The magnitude of the force is P= 55 N. The angle with the…

Q: A rug (mass of 20.0 kg) is sitting on a slope with an angle of 20 degrees. A person (mass of 40.0…

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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: A person pushes horizontally with a force of 160 N on a 55.0 kg crate to move it across a level…

A:

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 19 kg box is being pushed uniformly across a horizontal surface with which the coefficient of…

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

Q: A sanding block is being pushed up a vertical wall by a force F that is being applied at an angle of…

A: Given  Coefficient of friction,u = 0.885  Mass of block M = 0.534 Kg  Applied force,F = ??  Angle =…

Q: A heavy sled is being pulled by two people, as shown in the figure. The coefficient of static…

A: Introduction: Tension: Tension force is defined as the force that is transmitted through a wire or…

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: ou have been talked into pulling two children on a sled in the snow. When you pull the rope tied to…

A: In this question we have been given that You have been talked into pulling two children on a sled in…

Q: A 3 kg box rests on a horizontal table. It is attached to a 2 kg box via a pulley. The 2 kg box…

A:

Q: A sled is held on an inclined plane by a cord pulling directly up the plane. The sled is to be on…

A:

Q: he figure shows a section of a cable-car system. The maximum permissible mass of each car with…

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Q: A crate with a mass of m=254kg rests on the horizontal deck of a ship. The coefficient of static…

A: The objective of the question is to find the minimum force required to get the block moving from…

Q: A heavy sled is being pulled by two people, as shown in the igure. The coefficient of static…

A: Given:

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: A stubborn, 115 kgkg mule sits down and refuses to move. To drag the mule to the barn, the…

A: Given: The mass of mule is m=115 kg. The maximum force is F=800 N. The static coefficients of…

Q: A man exerts a horizontal force of 127 N on a crate with a mass of 38.2 kg. HINT (a) If the crate…

A: The horizontal force is F=127 N The mass of the crate is m=38.2 kg Calculating the weight of the…

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 50 kg. You were pulling…

A: Force applied (F)= 480 N Coefficient of kinetic friction (µk)= 0.49 Mass of crate(m)= 50 kg Angle of…

Q: A 118 kg box sits on a flat surface where it has a static friction coefficient of μs = 0.524 and a…

A: The minimum force (Fmin) that must be applied to the box of mass m =118 Kg is resting on a flat…

Q: A heavy sled is being pulled by two people, as shown in the figure. The coefficient of static…

A: write the  given data coefficient of kinetic friction=μk=0.419coefficient of static friction…

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 47 kg. You were pulling…

A:

Q: A flatbed truck is carrying a 20-kg crate up a sloping road. The coefficient of static friction…

A: Mass of crate =20 kgcoefficient of static friction between the crate and the bed is 0.40,coefficient…

Q: A 55-kg box rests on a horizontal surface. The coefficient of static friction between the box the…

A: The mass of the box=55kg.The coefficient of static friction =0.30.The coefficient of kinetic…

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: Find the minimum magnitude of the force  F

A:

Q: An object sitting at rest on a level surface has a weight and a normal force of 200 N. The…

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Q: One block rests upon a horizontal surface. A second identical block rests upon the first one. The…

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Q: Two blocks of mass M and m are sitting on a horizontal floor. The blocks are touching. The…

A: Since the blocks are in equilibrium in vertical direction, their normal forces must be equal to…

Q: A small girl is pushing a wagon of a mass 20kg along the sidewalk. The girl is pushing on the wagons…

A: The sum of forces acts along the direction of the wagon is ∑Fx=0Fcosθ-f=0 rearrange it for…

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: 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: A block of mass m1 = 3.9 kg is placed on top of a block with mass m2 = 5.4 kg. A force, F = is…

A:

Q: is A heavy sled is being pulled by two people, as shown in the figure. The coefficient of static…

A: Given that, the coefficient of static friction μs=0.579 the coefficient of kinetic friction μk=0.419…

Q: An athlete is pulling a tire that weighs 12,000 N. The coefficient of static friction between the…

A: I have used concept of equillibrium

Q: A 30 kg object sits on a table. The coefficient of static friction between the object and the table…

A:

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

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: