A cart with mass of 20 kg is pushed horizontally by a man at a constant velocity. He performed work of 4000 J, and the cart traversed a distance of 50 m. What is the total resisting force of this motion?

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: A boy rides a bicycle a distance of 10 m, carrying a bag which weighs 50 N. What is the work done on…

A: Force, F = 50 NDisplacement, d = 10 m The work done on the bag will be given by the formula W = F.d…

Q: While rearranging a dorm room, a student does 436 j of work in moving a desk 1.6 m. What was the…

A: Amount of work done by the student, W = 436J displacement of the object, d = 1.6m Horizontal force…

Q: A force of 8 lb is required to hold a spring stretched 4 in. beyond its natural length. How much…

A:

Q: A man pushes a cart with a constant force of 200 N at an angle 30° above the horizontal. If he does…

A: given applied force on cart F = 200 N at an angle 300 above the horizontal. hence Horizontal force…

Q: How much work must be done to stop a 1025 kg car traveling at 115 km/hr?

A: When a car is stopped, the work done is the equal to the difference of kinetic energy between…

Q: A 50 kg diver stands on top of a cliff with a total energy of 80,000 J.  What is the approximate…

A: To solve the given question, we will use the conservation of energy. Initial potential energy…

Q: A boy throws a ball of mass 0.25kg straight upward with an initial speed of 20m/s When the ball…

A:

Q: How much work does a 69 kg person do against gravity in walking up a trail that gains 760 m in…

A: Work is a physical amount due to an outside force acting on a body to change position from a initial…

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: If a small motor does 500 J of work to move a toy car 250 m, what force does it exert?

A: Work Done ( W ) = Force (F) * Distance moved (D) where W is in J ( Joules) F is in N (Newtons) and D…

Q: An apple weighing 1 N falls throughas a distance of 1 m. How much work is done on the apple by the…

A: weight of apple(W)= 1N Distance(d)=1m Work done=F.d=Fdcosθ F is force θ is angle between force and…

Q: A force of F = 151 N pulls a mass of 15 kg a distance of x = 3.3 m. How much work is done by the…

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Q: How much work has to be done to accelerate 1320kg car from 115km/h to 130km/h ?

A: Given data:  Mass of car (m) = 1320 kg Initial velocity of car (Vi) = 115 km/h Final velocity of car…

Q: A force of 12 lb is required to hold a spring stretched 2 in. beyond its natural length. How much…

A: Scenario - Work is done to stretch a spring beyond its original length. Given, Force→F=12 lb Initial…

Q: A spring has a natural length of 15 cm. If a 22-N force is required to keep it stretched to a length…

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Q: A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of…

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Q: A student of mass 50 kg caries a bag weighing 4000g from the ground floor to his class on the first…

A: Work done by boy = Change in potential energy  Potential energy at some height H = E  = MgH Where M…

Q: A student is carrying a heavy backpack that weighs 252 N, and walks a distance of 365 m horizontally…

A:

Q: A 75 kg person, originally at rest, sleds down a 50 m tall hill and comes to a stop. How much work…

A: Given Mass of person is m= 75 kg Height of hill is h= 50 m Acceleration due to gravity is g= 9.80…

Q: A 60-kg skier starts from rest from the top of a 50-m high slope. If the work done by friction is…

A: Answer Given  Mass m = 60 kg Height h = 50 m Work done W = -6 kJ = -6×10-3 J According to the…

Q: How much work is done lifting a 100 N barbell vertically 0.5 m?

A: The workdone in lifting a 100 N barbell vertically 0.5 m. given,Force(F)=100 Nheight(h) moved=0.5 m

Q: A force of 18 lb is required to hold a spring stretched 8 in. beyond its natural length. How much…

A:

Q: A horse pulls a cart with a force of 2 kN at an angle of 27 degrees with the horizontal and moves…

A: Given: The force is 2 kN. The angle is 27 degrees. The speed is 10 kph. The time direction is 12…

Q: Why is it tiring to push hard against a solid wall even if no work is done? A 75 kg firefighter…

A: Q 1) We get tired because we use our energy to contract the muscles. We try to push the wall using…

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 horse pulls a cart with a force of 0.2 kN at an angle of 27 degrees with the horizontal and moves…

A: F = 0.2 kN = 0.2 x 103 N θ = 270 v = 10 kph = 10kmh×1000m1km×1h60min×1min60s = 2.778 m/s t = 12 min…

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: You push your much-loved 3-kg physics book 0.83 m along a horizontal table top with a horizontal…

A:

Q: A 6.0 kg box slides a 12 m distance on ice. If the coefficient of friction is 0.21, what is the work…

A: Given data: Mass (m) = 6.0 kg Distance (s) = 12 m Coefficient of friction (μ) = 0.21 Required: Work…

Q: A girl pushes her little brother on his sled with a force of 300 N and does work of 600 J. How far…

A: Given  Girl pushes his brother with the force F = 300 N. Work Done W = 600 J We know the expression…

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: A child drags a toy behind him on the ground. The coefficient of friction is 0.44 and the toy is…

A:

Q: If a spring has a spring constant of 400 N/m, how much work is require to compress the spring 1.0 m…

A: Given data: The spring constant is k=400 N/m. The compression in spring is x=1.00 m.

Q: If it takes 10.0 J of work to move an object 2.0 meters, what is the weight of the object?

A: The work done to move an object to a distance d is given as,…

Q: You lift a 3kg pumpkin to a height of 0.80 m to check it out. How much work do you do on the pumpkin…

A: Mass of pumpkin m=3 kg The height to which the pumpkin is lifted h=0.80 m The acceleration due to…

Q: How much work is done lifting a 200 N barbell vertically 0.5 m?

A: The weight of the barbell, Fg = 200 N The distance for which the barbell is lifted vertically, d =…

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…

A:

Q: How much work is it to lift a 25 kg sack of potatoes at a constant speed vertically 7.5 m?

A: Write the given values with suitable variables. m=25 kgh=7.5 m Here, m denotes the mass and h…

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: If a car of mass 1200 kg is moving along a highway at 120 km/h, what is the car’s kinetic energy as…

A:

Q: A horse pulls a cart with a force of 0.2 kN at an angle of 27 degrees with the horizontal and moves…

A: Work done on a body can be said to happen when due to the force applied on the body, there is a…

Q: Mama Mia has a mass of 65kg and is carrying a tray of turkey with a total weight of 55N. If she…

A: Work done is the dot product of the force and the displacement,

Q: How far does a shopping cart travel if you do 650 J of work on it while the wheels exert 25 N of…

A: work done (w) = 650 JoulesFrictional force = 25 N

Q: A student who weighs 559 N climbs a stairway vertical height of 3.0 m in 28 s how much work is done?…

A: Weight of a student (w) = 559 N Height of stairway (h) = 3 m Time taken (t) = 28 s

Q: The mass of a baseball is 148 g. How much work does a Major League pitcher do on the baseball when…

A: given:Mass of the ball = 148 gInitial velocity of the ball = 0Final velocity of the ball = 40.2 m/s

Q: How much work has to be done to accelerate 1320kg car from 105km/h to 120km/h?

A: