• Early one October, you go to a pumpkin patch to select yourHalloween pumpkin. You lift the 3.2-kg pumpkin to a height of1.2 m, then carry it 50.0 m (on level ground) to the check-outstand. (a) Calculate the work you do on the pumpkin as you lift itfrom the ground. (b) How much work do you do on the pumpkinas you carry it from the field?

Q: A coin slides over a frictionless plane and across an xy coordinate system from the origin to a…

A: The magnitude of the displacement of the coin is given by, d=xf-xi2+yf-yi2 Here, xi,yi is the…

Q: a block with mass m=20 kg pulled on horizontal surface , bulled by external force by 1000 N as shown…

A: Frictional force=μmg where μ=coefficient of friction m=mass of body Work done by force=F.X where…

Q: 2R A R 3R ME a) How much work is required to move a mass m from position A (tuo Eauth radii from the…

A: Given data: Position of the point A from the centre of the earth is, 2R Position of the point B from…

Q: The human small intestine moves food alongits 6.9-m length by means of peristalsis, a contraction…

A:

Q: A bellhop lifts a 20-kg suitcase 0.40 m, then slowly carries it 30 m along a hall, and finally sets…

A: Work is done when there is a displacement along the the force acting. Here, the force acting on the…

Q: 1-1 Calcalate the work WI when moving the object along Hhe path of CI :0¬AB 1.2 Calculate the work…

A: Given:- Find :- 1-1 Calculate the work wl when moving the object along the path of C1: 0-A-B 1.2…

Q: Spiderman, whose mass is 80.0 kg, is dangling on the free end on the 12.0-m long rope, the other end…

A:

Q: Why do we say that the work done by coolie carrying a suitcase along a horizontal road is zero?

A: When a coolie lifts the luggage, he applies the force in the upward direction, which is against…

Q: an object is given by F= axî + byj, where the co Determine the work done on the object by this e…

A: We have to integrate as force is variable.

Q: Find the work done (in J) by a force, F=3i - 8j N acts on a particle and displaces it Ar = 2i - 7j m

A: If a force (F) displaces a body by some distance (s), then a work (W) is said to be done by a force…

Q: How much work does gravity do on a 2.5-mg raindrop as the drop falls to the ground from a cloud 2200…

A: Answer              5.39*10-5 J

Q: If the force and length traveled by the objects are given as scalar while the angle between them is…

A: Given: The force and traveled distance in scalar form. The angle between force and displacement.…

Q: . A 2-kg block rests on top of a table 80 cm from the floor. Find the potential energy of the block…

A: Mass of block, m = 80 kg To find: Potential energy of the block relative to,  (a) the floor.  (b)…

Q: A constant force of 40N in the positive x direction acts on a 4.0-kg object as it moves from the…

A: We are given that A constant Force of 40N  acting along positive x-axis acts on a 4.0kg object as it…

Q: "If angle between force and direction of motion is 45 degree, then the work done be" O Negative…

A: Given:Angle between Force and direction of motion =45°To find:Workdone W=??

Q: If there is a net nonzero force on a moving object, can the total work done on the object be zero?…

A: The expression for the work done is W=F→·s→=Fscosθ Here, W is the work done on the object,  Fis the…

Q: When a particle of mass m is at (x,0), it is attracted toward the origin with a force whose…

A:

Q: Both force and the length traveled is a scalar quantity. If the force is not constant and Is…

A: displacing a body by applying a force is called work done

Q: Now assume the figure lies in a vertical plane, and find the work done by the gravitational force as…

A:

Q: To clean a floor, a janitor pushes on a mophandle with a force of 50.0 N. (a) If the mop handle is…

A:

Q: When a particle of mass m is at (x, 0), it is attracted toward the origin with a force whose…

A: The force acting on the particle is given as : F=-kx2It is negative because its direction is towards…

Q: If the force or a component of that force points in the opposite direction as the displacement, the…

A:

Q: Identify a case where an object is moving over a surface with friction, but the frictional force…

A: When the object moves in a pure rolling motion, the work done by the friction will be zero.

Q: Example 74 Calculating Total Work Done from a Graph A force acting on a particle varies widh , as…

A:

Q: Find the work done in joules by gravity as an object of the mass m-12 kg is raised up at constant…

A:

Q: A force, varying with distance as shown in the graph below, acts on a 5.5 kg object. When is most…

A:

Q: Is it possible that the work done by a force is negative? Give an example.

A: Yes it is possible for work done by a force to be negative.If the displacement happened in the…

Q: Describe a situation in which a force is exerted for a long time but does no work. Explain.

A: We consider a situation when an object lifted at height h is displaced a distance x.

Q: "If angle between force and direction of motion is 45 degree, then the work done be" Negative…

A:

Q: In which case the magnitude of the force is the 1. 10 N force most? II. the same v In which case the…

A:

Q: Find the work done by a 45 N force in pulling the luggage carrier at an angle e = 50 for a distance…

A: Option A is the right answer  2170 J

Q: A man starts at ground level and carries a 20 kg box up a flight of stairs to a height of 3.6 m. He…

A:

Q: The work done is vertically raising a body of mass M through a distance b is given to be W. If the…

A: Ans:- Image-1

Q: Find the work done by the force F = 5yi + xj + 4zk over the straight line segment from ( 0, 3,0) to…

A:

Q: The graph shows how the force component Fcose along the displacement varies with the magnitude s of…

A: The work done by the fore is   W= Area of the triangle      =12Base×Height     =12(1.60 m)(62.0…

Q: In an airport, the location of a passenger can be determined by using the Cartesian coordinate point…

A:

Q: Suppose the vertical height of stairs you walk up is reduced by half. How would this affect the work…

A: Work done by a person of weight F=mg, to move a distance d  vertically or horizontally ,  is…

Q: Hiller pulls the parachute/alien with a constant force of 259. N for a distance of 2.8 x 105 m.  How…

A: Given  Force = F = 259 N  Distance = d = 2.8*105 m  W = ??

Q: To move a load of 6c from point a (2,1,1) to point b (4,3,1) along the path y = x-1, z = 1 in E =…

A: The small work done in moving a charge q in electric field E in moving a small displacement dr is…

Q: An 160 N crate slides with constant speed a distance of 5.0 m downward along a rough slope that…

A:

Q: An object moves from point A to point B under the influence of only two forces. Between points A and…

A: Sum of work done by all forces= change in Mechanical energy…

Q: A constant force F = 6.0 i - 2.0 jN acts on a particle that undergoes a displacement from point A at…

A: Given : F = 6.0 i - 2.0 j N d = (3,1) = 3 i + 1 j