2. How much works is done by a force of 35 N that was applied to push a cart of 8.5 m along the floor?

Q: 10. It takes a force of 21,714 lb to compress a coil spring assembly on a New York City Transit…

A:

Q: how much work is done when a 7kg cart is pulled with a force of 30 n at angle of 20 degrees above…

A: Given data The mass is m=7 kg The force is F=30 N The angle between the force and motion is θ=20o…

Q: Find the work done when lifting a 45 lb crate from the ground up onto a 7 ft high shelf.

A: Given in question -  Force(F) = 46 lb                                    Displacement(D) = 7 ft To…

Q: A 75.0-kg person climbs stairs, gaining 3.50 m in height. Find the work done to accomplish this…

A: Given data:  Mass (m) = 75.0 kg Height (h) = 3.50 N Required: Work done (W)

Q: 4) How many watts of power does a man with a weight of 600.0 N have when he climbs a flight of…

A:

Q: 4) Using a lever to move a rock reduces the force a person must exert. What does it do to the work…

A: To move a rock, force is applied, which applied torque on the rock to revolve.

Q: 3. If a riding lawnmower engine exerts 19 hp in one minute to move the mower, how much work is done?…

A: (3) The power exerted by a lawnmower’s engine is, The time taken by the mower is,

Q: 12. If 6 J of work is needed to stretch a spring from 10 cm to 12cm and another 10 J is needed to…

A: Let, W1 = 6 J W2 = 10 J

Q: 6.1. A man has pulled a cart through 35 m applying a force of 300 N. Find the work done by the man.

A:

Q: 18. How much work is needed for a 73-kg runner to accelerate from rest to 7.7 m/s?

A: Given Mass of runner m = 73 Kg Initial speed u = 0 m/s Final speed v = 7.7 m/s To find Work done by…

Q: A man applies a force of 45 N to push a lawn mower 10 meters. Calculate the work done

A: Work done is product of force and displacement.  W=Fd Here, F is force and d is displacement.  Given…

Q: 2. Robert pushed a 32.3 kg stone using 10.8 N of force to a distance of 5.6 m. How much work was…

A: Work done is given by:- Work done = Force × displacement

Q: A vehicle of 50 quintal climbs up a hill of 10 m. The potential energy gained by it is (take g = 10…

A: Calculating the potential energy by formula P = mgh

Q: 7. What work is done by a forklift raising a 583 kilogram box 1.2 meters?

A:

Q: force needed

A:

Q: 6. (II) Estimate the work you do to mow a lawn 10 m by 20 m with a 50-cm-wide mower. Assume you push…

A: The area of the lawn is A=l×b=10 m×20 m=200 m2 The corresponding area should be covered by moving 50…

Q: 78. A force of 28 lb is used to pull a block up a ramp. If the ramp is inclined 10° above the…

A: The required amount of work to pull the block up the ramp is W=F∥d=FcosθFd

Q: 4) A 35,500 Newton car runs up a hill that is 45.5 meters high in 1.6 seconds. What power did the…

A: Please see the answer in Step 2.

Q: A 75 kg person climbs stairs, gaining 1.50 m in height. Find the work done to accomplish this task.

A:

Q: 2. A 1200 kg car is moving at 30 m/s and speeds up to 35 m/s. Find the work done on the car.

A: According to the work energy theorem, the work done is equal to the change in Kinetic energy,…

Q: 13. A 700-kg horse whose power output is 1.0 hp is pulling a sled over the snow at 3.5 m/s. Find the…

A:

Q: 4. A spring has a natural length of 18 inches and a force of 20 lbs is required to stretch and hold…

A:

Q: 8. Find the work done on a lagage of 50 kg. pulled by a string elevated at 45 degrees by a force of…

A:

Q: A horizontal force of 380 N is used to push a 50 kg packing crate a distance of 6.3 m on a rough…

A: Required : The work done.

Q: 6) A crane exerts 56,000 Newtons of force over a distance of 4.5 meters. How much power was…

A: solution is given by

Q: Calculate the work done A car of weight 20000N climbs up a hill at8m/s speed. Gaining a height of…

A: Given : velocity=8m/s Weight = 20,000 N height=120 m time=100s g=10 m/s² Weight = mg Mass =…

Q: A chain that is 30.5 m long and that weighs 47.7 N/m hangs from an axle on which it is to be wound.…

A:

Q: 7. Determine the total work required to accelerate a vehicle of mass 1500 kg from 10 m/s to 25 m/s.

A: Given, Mass , m = 1500 kg Initial velocity = 10m/s Final velocity = 25m/s Work done = change in…

Q: 5. Calculate the work being done on 2000 N crate, being lifted 2 meters off the ground by a crane.…

A:

Q: 8. How much time is needed to produce 720 Joules of work if 90 watts of power is used?

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: 3. How much work is done on a small car if a 3150 N force is exerted to move it 75.5 m to the side…

A: 3) The expression for find work done is W=F·s Substitute values in the above equation…

Q: 4. A force of 80 N used to push a chair across a room does 320 J of work. How far does the chair…

A: Solution as

Q: 3. Suppose a spring of natural length 5in requres a force of 2.5 pounds to stretch it to 5.5 inches.…

A:

Q: 4. A force of 50lbs is required to hold a spring stretched 5inches beyond its natural length. How…

A:

Q: Tigure, weighs lever. F Fulcrum 3F 3d (a) How much work is done? ft-lb (b) The other end of the…

A: Given data: Mass of the rock m =200 lb Displacement d= 1ft

Q: A man pushes a 85.9-N crate a distance of 3.7 m up a long frictionless ramp at a constant speed.…

A:

Q: 7: find the work done if a force of 2.7 N displace object by 6 m

A: Given  Force , F = 2.7 N  Displacement ,d = 6m  Work done is calculated as - Work done , W = Force×…

Q: 25. A donkey is pulling a sled at a velocity of 3.5m/s. If the donkey’s power output is 890 W, what…

A: Let F be the force that the donkey exerts on the sled. Given that a donkey is pulling a sled at a…

Q: An 88 kg person climbs stairs, gaining 4.1 m in height. Find the work done to accomplish this task.“

A: To reach a certain height, the work done is against gravitational energy, Therefore, Gravitational…

Q: A young man exerted a force of 9,000 newtons on a 1200 kg stalled car but was unable to move it. How…

A: Applied force by the man F = 9000 N Mass of the car is m = 1200 kg

Q: force of 30 N will stretch an elastic cord 250 mm. If the force required to stretch the cord varies…

A: Given: The applied force is 30 N. The stretching in the elastic cord is 250 mm.   To find: The work…

Q: A spring has a natural length of 22.0 cm. If a 24.0-N force is required to keep it stretched to a…

A: Given data: Natural length = 22.0 cm Force required to stretch 34.0 cm is F = 24.0 N  Required: Work…

Q: A spider walks on a path that is at 25 ∘. Calculate the power output of a 0.42g spider as it walks…

A:

Q: ? Explain it with the calculation. 13- A horizontal force of 3 acts on a block of wood, displacing…

A: Work done is equal to the scalar product of force and displacement vectors. W = F • d = Fdcos(theta)…

Q: How much work is done on a small car if a 3150 N force is exerted to move it 75.5 m to the side of…

A: Work = Force × displacement

Q: A spring has a natural length of 10 in., and a 30-lb force stretches it to 11 1/2 in. Find the work…

A:

Q: 2. FIND THE WORK DONE IN LIFTING 1000LB OF COAL FROM A MINE 1500ET. DEEP BY MEANS OF A CABLE…

A:

Q: 18. If 30 Joules of work is required to lift a 10-N box from the floor to a table, how high is the…

A: Given: The work done is 30 N. The applied force is 10 N.