A man pushes a lawn mower on a level lawn with a force of 270 N. If 40% of this force is directed downward, (a) How much force is directed horizontally? (b) How much work is done by the man in pushing the mower 7 meters?

Q: A force of 6 pounds is required to hold a spring stretched 0.3 feet beyond its natural length. How…

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Q: A carton is pulled along the ground for a distance of 11 m. If the average frictional force is 57 N,…

A: Work done is defined as  W=F→·S→where F is the force S is the displacement Here the Frictional force…

Q: When you lift a box with a mass of 350 kg to a height of 2.5 meters, how much work have you done?

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Q: A truck is towing a broken-down car via a horizontal cable for 360 m along a road. If the tension on…

A: Tension is a pulling force acting at the ends of a string or cable. Work done is the energy imparted…

Q: A labourer weighing 600 N is to carry 5 sacks of rice from ground floor to the second floor of the…

A: Given  Weight of labour, W = 600 N  No of sack, N = 5  Mass of each sack ,M = 50 kg  Distance…

Q: How much work is done by the gravitational force when a 175 kg pile driver falls 6.0m ?

A: Mass, m = 175 kg Distance moved  by object, d = 6 m

Q: A force of 2 pounds is required to hold a spring stretched 0.3 feet beyond its natural length. How…

A: calculation

Q: How much work did the movers do (horizontally) pushing a 160-kg crate 10.3 m across a rough floor…

A: Since the crate is moving acceleration, the pusher must do a work to overcome the frictional force.…

Q: What is the minimum work required to push a car with a mass of 1,500 kg car a distance 200 m upwards…

A: Given data: Mass of the car (m) = 1,500 kg Incline distance (d) = 200 m Incline angle θ= 20°…

Q: If you pushed a cart for 6.76 meters along an incline of angle 55.21 by applying a force of 54.17…

A: Given : Angle of incline (Θ) = 55.21o Force (F)= 54.17 N Displacement along the incline (d) = 6.76 m

Q: How much work is required to move an object from x = 0 to x = 5 (measured in meters) in the presence…

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Q: It takes you 1.5 s to push a 28 kg box by 4.4 m across a horizontal floor with a constant force of…

A: The time taken to push the block, t = 1.5 s The mass of the block, m = 28 kg The displacement of the…

Q: If you pull a 9 kg mass vertically up 1.6 m at constant velocity, how much work do you do?

A: Given Mass= 9[kg] Height to which the mass is pulled up vertically= 1.6[m]  Work is said to be done…

Q: A person lifts a 25 kg box of old sports equipment at an angle of 75 degrees to the vertical to a…

A: Mass of box (m) = 25 kg Angle to the vertical (θ) = 75 degree Height above the ground (h)= 2.6 m

Q: How much work is done against gravity in lifting a 9 kg object through a vertical distance of 55 cm?…

A: Expression for force applied to lift the object -  F=mg Where m=Mass=9 kg  g=Acceleration due to…

Q: A force 50 N is required to maintain a spring stretched from its natural length 9 cm to a length of…

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Q: How much work is done by a 59 kg ninja watrior in climbing a ladder that is 9 meters long? Express…

A: Mass of ninja warrior (m) = 59 kg  Length of ladder (L) = 9 m

Q: How much work is it to lift a 25  kg sack of cement vertically 4.3 m?

A: Given data:  Mass (m) = 25 kg Height (h) = 4.3 m Required: Work done (W)

Q: A force of 1 pounds is required to hold a spring stretched 0.5 feet beyond its natural length. How…

A:

Q: How much work is done by an applied force to lift a 15 N block 3.0 m vertically?

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Q: A worker pushes a wheelbarrow with a horizontal force of 240 N over a level distance of 5.0 m. If a…

A:

Q: How much work is done against the gravitational force on a 5.0-kg briefcase when it is carried from…

A: Since,breifcase is being carried to some height ,it acquires some potential energy.Hence,Work done…

Q: A 2 kg object slides across a horizontal surface with an initial speed of 6.53 m/s. If the object…

A: Given- Mass of object m= 2kg Initial velocity v=6.53 m/s

Q: A hill is 100 m long and makes an angle of 12° with the horizontal. As a 50-kg jogger runs up the…

A: Given : Length of the hill, l = 100 m The hill makes an angle of 12 degrees with the horizontal.…

Q: A worker pushes horizontally on a large crate with a force of 195 N, and the crate is moved 4.0 m.…

A: Given data: The applied force is F=195 N. The distance moved is s=4 m.

Q: A mouse of mass 176 g falls 92 m down a vertical mine shaft and lands at the bottom with a speed of…

A:

Q: How much work is done by the gravitational force when a 175 kg pile driver falls 4.0m?

A: Work done by force F in moving object distance d is given by,  W =F.d = F×d×cosθ Where, θ is the…

Q: A chain 72 meters long whose mass is 27 kilograms is hanging over the edge of a tall building and…

A:

Q: A man pushes a lawn mower on a level lawn with a force of 191 N. If 25% of this force is directed…

A:

Q: A worker pushes horizontally on a large crate with a force of 245 N, and the crate is moved 4.5 m.…

A:

Q: How much work is done by gravity in causing a 45-kg rock to tumble 54 m down a slope at an angle of…

A: mass of the rock, m = 45 kg distance that rock travels, d = 54 m angle of slope with vertical,= 48…

Q: How much work due to gravity is done on a 6.50 kg briefcase when it is carried from the ground floor…

A: Work done by a force F and displacement r is  w=F.r=Fr cosθ Where θ is the angle between force F and…

Q: A man pushes a lawn mower on a level lawn with a force of 194 N. If 49% of this force is directed…

A: Consider a man applied force F on a lawnmower and it displaces by a distance d.

Q: A chain 59 meters long whose mass is 23 kilograms is hanging over the edge of a tall building and…

A:

Q: Suppose it takes a force of 42 N to hold a spring that has been stretched from its natural length of…

A: Given : Force to stretch the spring from 15 cm to 18 cm, F1 = 42 N Elongation in this case, x1 = 18…

Q: A force of 4 pounds is required to hold a spring stretched 0.2 feet beyond its natural length. How…

A:

Q: A force of 1 pounds is required to hold a spring stretched 0.2 feet beyond its natural length. How…

A: Given  Force, F = 1 lb  Stretching distance from its natural length , x = 0.2 ft  From Hooke's law-…

Q: If you push a car with a force of 600 N on a level driveway for 15 m, how much work do you do on…

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Q: A man pushes a lawn mower on a level lawn with a force of 201 N. If 38% of the force is directed…

A: Given,

Q: How much work is performed in steadily dragging a sled 20 m horizontally when the force of 80 N is…

A:

Q: Find the work done in joules by gravity as an object of the mass m=9 kg is raised up at constant…

A: Given data: The mass of the object, m=9 kg. The initial height of the object, h1=26 m. The final…

Q: How much force is exerted by the Soccer player in pushing the ball to the goal, having the work done…

A: Given data The work done by the soccer player is given as W = 75 J. The distance covered by the ball…

Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.600 m…

A: Force, F=5 N magnitude of displacement, d=0.6 m Angle between the force and displacement, θ=0° Work…

Q: In the absence of friction, how much work would a child do while pulling a 12kg wagon a distance of…

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Q: A man pushes a lawn mower on a level lawn with a force of 187 N. If 43% of this force is directed…

A: Work done  W = Force * displacement Force must be in direction of displacement.

Q: A man pushes a lawn mower on a level lawn with a force of 185 N. If 35% of this force is directed…

A: Given data: Force = 185 N Force in forward direction = 35% of 185 N Displacement in forward…

Q: A loaded grocery cart of mass 24.5 kg is pushed along an aisle by an applied force of 14.2 N [22.5o…

A: Given: The applied force is 14.2 N. The mass of the object is 24.5 kg. The angle between applied…

Q: A worker pushes horizontally on a large crate with a force of 230 N, and the crate is moved 3.6 m.…

A: An applied force by a worker, F=230 N   The distance moved by a crate, d=3.6 m