It takes a force of 35 N to stretch a 45-cm spring to 90 cm and hold it there. How much work was exerted to stretch the spring as described? (Ans: 7.88 J)

Q: . A force F acting on an object varies with distance x as shown here. The force is in Newton and x…

A:

Q: A garden roller is pulled with a force of 200 N acting at an angle of 60° with the horizontal.…

A: Given: Force (F) = 200 N  Angle ( θ) = 60 ° Displacement (d) = 40 m

Q: A force is given by the vector F= (12 i + 10 j) N and moves from the point (4i + 3j)m to the point…

A:

Q: A man applies a force of 500 N to push a truck 10 m down the street. How much work has been done?…

A: Force, F = 500 NDisplacement, x = 10 m

Q: A force of 25 N acts on the board at an angle of 45°. The board moves a total of 3331111000 inches.…

A: Given data:  Force (F) = 25 N Angle (θ) = 45° Displacement (d) = 3331111000 inches Required: The…

Q: A worker pushes a sled with a force of 40 N over a level distance of 6.0 m. If a frictional force of…

A: Given data:  Applied force (F) = 40 N Distance (d) = 6.0 m Frictional force (f) = 12 N, in opposite…

Q: Suppose that 3 J of work is needed to stretch a spring from its natural length of 24 cm to a length…

A:

Q: A forklift raises a 90.5 kg crate 1.80 m. (a) Showing all your work and using unity conversion…

A:

Q: Calculate how much work I did on the 2 kg tricycle when I pulled it with a force of 4.68 N for a…

A:

Q: If 132 J of work are needed to stretch a spring from 9 cm to 12 cm and another 588 J are needed to…

A: Case 1) work done = 132 J change in length = 12 cm - 9 cm = 3 cm

Q: . is the work required to raise a 200 kg barbell to a height of 1.25 m?  From the problem, what is…

A: Mass = m = 200 kg Height = h= 1.25m

Q: person pulls a crate 49.6 meters along a horizontal floor by a constant force 113.7 N, which acts at…

A:

Q: 1. If 68 W of power is producing 18 seconds, how much work is done? b. A set of pulleys lifts an 800…

A:

Q: Two forces, F→1=(1.70i^−0.60j^+0.60k^)N and F→2=(−0.50i^+1.20j^)N  are applied on a moving object of…

A: The net force on the object is, F→=F1→+F2→=1.70i^-0.60j^+0.60k^+-0.50i^+1.20j^=1.20i^+0.60j^+0.60k^N…

Q: Suppose that 3 J of work is needed to stretch a spring from its natural length of 36 cm to a length…

A:

Q: Discuss whether any work is being done by each of the following agents and, if so, whether the work…

A: We know,  Work(W) = Force(F). Displacement(S) (a)No work, since displacement is zero. (b)No work,…

Q: 22. What is the work required to raise a 350 kg steel beam to a height of 7.50 m? Group of answer…

A:

Q: A object of mass 3.00 kg is subject to a force F, that varies with position as in the figure below.…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: TO pic: 1. What work is done by a girl who pushes a box along the floor with a force of 80 newtons…

A:

Q: box with a mass of 5.5 kilograms moved a distance of 6m to the right. A tension of 63 Newtons by a…

A: box with a mass of 5.5 kilograms moved a distance of 6m to the right. A tension of 63 Newtons by a…

Q: Suppose that 5 J of work is needed to stretch a spring from its natural length of 32 cm to a length…

A: The work done in stretching the sping is  W = 0.5 kx2  The force due to the extension is  F = k x…

Q: What is the work required to raise a 200 kg barbell to a height of 1.25 m? From the problem, what is…

A: Given data:  Mass (m) = 200 kg Height (h) = 1.25 m Required: Force (F)

Q: If we know that a force of 5 N is applied on an object while the object moves 2 m, can we determine…

A: Given : F = 5 N d = 2 m

Q: An object of mass 5 Kg with an initial speed of 10 m/s moves from m to m. Only two constant forces…

A:

Q: It takes 1.09 J of work to compress a spring 11.1 cm. What is the force constant of the spring in…

A:

Q: A block with a mass of 0.8 kg slides down a ramp. If it has an initial speed of 7 m/s, what is the…

A: Mass of block is m = 0.8 kg Initial speed of the block is u = 7 m/s

Q: A person pulls a crate 45.4 meters along a horizontal floor by a constant force 106.5 N, which acts…

A:

Q: This is one question with two parts The force required to stretch a Hooke’s-law spring varies from…

A: Hooke's Law  F = -k x  where F is force. k is force constant  x is displacement.

Q: A 20.0 kg box slides up a 12.0 m long incline at an angle of 30.0 degrees with the horizontal. A…

A:

Q: A object of mass 3.00 kg is subject to a force F, that varies with position as in the figure below.…

A: As per our guidelines, we are supposed to answer only first three subparts in case of multiple…

Q: dog picks up a 20 kg bone 0.40 m. carries it 30 m down the hall, and sets it back down 0.40 m to the…

A: Mass of bone = 20 kg  Initial vertical displacement = 0.4 m  Horizontal displacement = 30 m  Final…

Q: A worker apply a horizontal force of 60 N on a box and displacement of the box is 5m. The friction…

A: Given data:  Horizontal force applied by worker (F) = 60 N Displacement (d) = 5 m Friction force (f)…

Q: A block is pulled with a one dimensional variable force F = 9x² – 2x. Calculate the work F done by…

A: Given:  Variable force, F=9x2-2x Let's find W.D from x=1 m to x=5 m.

Q: The length of the Achilles tendon increases 0.500 cm when the force exerted on it by the muscle…

A:

Q: A 1250 kg truck is moving at 85 km/h. If the speed of the truck is changed to 60 km/h by applying a…

A:

Q: A person pulls a crate 48.4 meters along a horizontal floor by a constant force 108.2 N, which acts…

A:

Q: first segment runs from the origin to (4,3). The second segment runs from (4,3) to (12,3). The third…

A:

Q: A object of mass 3.00 kg is subject to a force F, that varies with position as in the figure below.…

A: Hey, since there is multiple subpart question posted, we will answer first three questions. If you…

Q: A block is pulled with a one dimensional variable force F = 9x² – 2x. Calculate the work F done by…

A: Work done  W=∫x1x2Fdx=∫159x2-2xdx=9x33-2x2215=9533-2522-9133-2122=348 J

Q: A person pulls a crate 42.8 meters along a horizontal floor by a constant force 102.3 N, which acts…

A:

Q: The force acting on a particle varies as shown in Figure. Find the work done by the force on the…

A: Work done by Particle in Force (F) vs displacement (x) graph = Area enclosed between the graph and…

Q: A object of mass 3.00 kg is subject to a force F, that varies with position as in the figure below.…

A:

Q: A object of mass 3.00 kg is subject to a force F, that varies with position as in the figure below.…

A: Given  force vs displacement graph

Q: A person pulls a crate 46.1 meters along a horizontal floor by a constant force 102 N, which acts at…

A: Distance covered by Crate= 46.1m Force applied by man F= 102N Force applied by friction  (f)=50.8N…

Q: A spring needs a force of 4 N to compress it 48 cm.  How much work is required to stretch the spring…

A: Write the given values with the suitable variables. F=4 Nx1=48 cm=0.48 mx2=29 cm=0.29 m Here, F is…

Q: A object of mass 3.00 kg is subject to a force Fx that varies with position as in the figure below.…

A: If F-x graph is given then, work done= area under F-x graph.

Q: A object of mass 3.00 kg is subject to a force F, that varies with position as in the figure below.…

A: Note: Since we only answer up to 3 sub-parts, we'll answer the first 3. Please re-submit the…

Q: A 15 kg crate has potential energy of 225j. How high is the crate lifted? Use g= 9.8m/s^2. DONT…

A: Mass of crate (m) = 15 kg Potential energy (P) = 225 JLet the height upto which crate is lifted = h…

Q: Suppose that a spring has a natural length of 10 cm, and that it requires a force of 20 Newtons to…

A: Write the given values with the suitable variables. x0=10 cm=0.1 mF=20 Nx=20 cm=0.2 m Here, x0 is…

Q: A block of mass m is placed on a rough incline surface making an angle 0 = 28.3 with horizontal. A…

A: