A student pushes a textbook 1.0 m across the table using an applied force of 5.0 N against a force of kinetic friction of 2.0 N.  The work done on the book by the student is:

Q: A small truck has a mass of 2225 kg. How much work is required to decrease the speed of the vehicle…

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Q: A 1400kg car accelerates from 5 m/s to 25 m/s .Then net work done by the car is?

A: Given Mass m = 1400 kg Initial velocity u = 5 m/s Final velocity v = 25 m/s

Q: A rope applies a horizontal force of 290 N to pull a crate a distance of 3m across the floor. A…

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Q: How much potential energy does a car gain if a crane lift the car with a mass of 1500 and 20 m…

A: Mass of the car is (m)=1500kg  Height (h) = 20m Acceleration due to gravity (g) = 9.8 m/s2

Q: A 200 kg cart is pushed slowly up an incline. How much work does the pushing force do in moving the…

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Q: How much work is done sliding a 3kg mass 5 meters horizontally on a frictionless surface

A: Write the given values with suitable variables. m=3 kgd=5 m Here, m denotes the mass and d denotes…

Q: How much work is done on a small car if 4370 N force is exerted to move it 85.5 m to the side of the…

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Q: Calculate the work done by a student in lifting a 0.3 kg book from the ground and keeping it on a…

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Q: A 100 N box is slid on a horizontal frictionless surface by applying a 33 N force parallel to the…

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Q: During a tug-of-war, team A pulls on team B by applying a force of 2730 N to the rope between them.…

A: The work done on an object by a force F in displacing it by some distance 'd' is given as:…

Q: It takes 551 N of force to balance the friction force and make a car move at a constant speed. How…

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Q: A force of 40 N is required to maintain a spring stretched from its natural length of 12 cm to a…

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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: A force of 60 N used to push a chair across a room does 300 J of work. How far does the chair move…

A: Applied force (F) = 60 N Work done (W) = 300 Joules

Q: 6 J of work is done by a force in moving an object uniformly through 120 m in 1 minute. The force…

A: The solution can be given as,

Q: The mass of a bald eagle is 6.3 kg. If the eagle is flying at a speed of 33.5 meters/seconds, what…

A: The relation of the kinetic energy is given in terms of mass and velocity Ek=12mv2

Q: How much work is done in moving an object of mass 1 kg to a height of 4 m? (g. 9.8 m/s )*

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Q: A car exerts a force of 15,000 N while driving on a horizontal stretch of road. How much work is…

A: Given data: The force on car is F=15000 N. The distance traveled by car is d=120 m.

Q: A 1400 kg car drives up a 16 m high hill. The car's speed at the bottom and top are 21 m/s and 13…

A: According to the work energy theorem, the net work done on the car must be equal to the change in…

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 1000 kg car moves with a speed of 20 m/s. Suddenly the driver slows to 7 m/s, what is the work…

A: The mass of the car, m is 1000 kg. The initial speed of the car, u is 20 m/s. The final speed of the…

Q: .. A pair of bullocks exerts a force of 140 N on a plough. The field being ploughed is 15 m long.…

A: Work done, W = F.d

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

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Q: What is the velocity of a 5000 kg truck which can complete a work of 360 kJ

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Q: A coyote chased a road runner and came to a cliff. On the cliff, he had gravitational potential…

A: To solve the question we will use the conservation of energy.

Q: What power is needed to move a 13.4 kN car up an 8 degree incline with a constant speed of 80 kph…

A: Given data:     Mass, m = 13.4 KN     Angle, θ=8 deg     Speed, v = 80 kph = 80/3.6 = 22.22 m/s…

Q: A pair of bullocks exerts a force of 140 N on a plough. The field being ploughed is 15 m long. How…

A: We know thatWorkdone=force×displacement

Q: A weightlifter lifts a 240 kg weight a vertical distance of 0.3 m in 0.9 s. What is the power…

A: Given,        mass of the object (m)= 240 kg        vertical distance (h)= 0.3 m        time (t) =…

Q: An average force of 600 N compresses a spring by 0.30 m. How much work is done by the force…

A: Solution: The work done in compressing a spring is equal to the product of force applied and the…

Q: A man applies a force of 100 N to a rock for 60 seconds, but the rock does not move. What is the…

A: Work comes in picture only and only when this is some displacement.  we know W = Force*displacement.…

Q: A barrel has a mass of 70 kg, and the height of the dock is 1.2 m. How much work do you do when…

A: Work done(w) = force*displacement                    w = F*r                    From Newton's laws…

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: A cart is pulled at a constant speed along an inclined plane to the height of a seat top. If the…

A: Given data:  Mass (m) = 3.8 kg Height (h) = 0.53 m Required: The potential energy

Q: How much work is required to throw a ball with a mass of 0.44 Kg 23.4 m/s?

A: Here in this question we consider the ball initially is in rest.                 i.e. vi = 0 m/s.…

Q: A student pulls out his or her chair in order to sit down. The student pulls the chair 0.75 m with a…

A: Given data: Force (F) = 20 N Displacement (d) = 0.75 m Required: Work (W)

Q: by the force

A: Given values:- Force Applied,(F)=586 N ----(1) Distance,(d)=15 m----(2) Let us consider (W) work is…

Q: A force of 30 N is required to maintain a spring stretched from its natural length of 12 cm to a…

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Q: How far must a 50 N force need to push an object to do 10 J of work?

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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: A man pushes a lawn mower on a level lawn with a force of 193 N. If 51% of the force is directed…

A: We know that work done W=Fd

Q: A rope applies a horizontal force of 180 N to pull a crate a distance of 2 m across a floor. A…

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Q: A 5-kg object is pushed across a level surface with a force of 12 N for a distance of 6 m. How much…

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Q: If a winch pulls a broken down truck against a friction force of 500N, and does 3000J of work, how…

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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: A box of old textbooks is on the middle shelf in the bookroom 1.3 m from the floor. If the janitor…

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Q: A man climbs on to a wall that is 3.6 m height and gains 2268 J of potential energy. What is the…

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