Matthew pulls his little sister Sarah in a sled on an icy surface (assume no friction), with a force of 60.0 N at an angle of 37.0o upward from the horizontal. If he pulls her a distance of 12.0 m, What is the work done by Matthew? a. 185 J b. 433 J  c. 575 J d. 720 J

Q: A worker pushes a 30.0-kg crate a distance of 4.5 m along a level coefficient of kinetic friction…

A:

Q: A shopper in a supermarket pushes a trolley with a force of 40N directed at an angle of 35° downward…

A: Work-done by a force F over displacement 'd' is given by: W = F.d W = F*d*cos theta Given that: F =…

Q: A gardener pushes a lawn roller through a distance of 25m. If he applies a force of 20N in a…

A:

Q: Someone on a skateboard is pulled by a rope attached to a bike. The velocity of the skateboarder is…

A:

Q: HW Ch 7 1.Two different forces F1 and F2 acts on an object as shown in Fig.F1=6i+7j and…

A:

Q: Two football players are in a competition to see who can pull a 150.0 kg container over the entire…

A: Introduction: According to Newton's 1st law of motion, at equilibrium, total force acting on the…

Q: An 80N force was applied to a box at an angle of 55°. How much work was done to the object if it…

A:

Q: Davina accelerates a box across a smooth frictionless horizontal surface over a displacement of 18.0…

A:

Q: To push a 52-kg crate across a floor, a worker applies a force of 190 N, directed 22° below the…

A:

Q: Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.40x106 N , one at an…

A: Given Data : The Force exerted by each tugboat is given as F = 1.4×106N. The distance travelled by…

Q: A 400 N student pushes a 500N trunk a distance of 8.00 m along a straight line, by applying a…

A: Solution:-Given thatWeight of trunk (W)=500 NDisplacement (d)=8 mApplied force (F)=600 Ninitial…

Q: A man pulls a box weighting 40 Na distance of 10 m across the floor at constant speed. How much work…

A:

Q: A shopper in a supermarket pushes a trolley with a force of 30N directed at an angle of 25° downward…

A: Given : F = 30 N θ = 25° d = 40 m

Q: A force of 24 N applied at an angle of 55 to the horizontal moves a crate of 5.0 kg over a distance…

A: The work done by a constant force F is given by the vector dot product W=F⇀·d⇀ = Fdcosθwhere d ⇀is…

Q: A force F =(4xi+3y N acts on an object as it moves in the x direction from the origin to x= 4m. The…

A:

Q: A force F=(4xi +3y N acts on an object as it moves in the x direction from the origin to x= 4m. The…

A: Given data The force equation is given as F→=4xi^+3yj^ N. The object moves from origin to x = 4 m.…

Q: A man returning from ice fishing trip pulls a sled with fish. Total mass of the sled and fish is…

A:

Q: worker applies a force of 190 N, directed 22° below the horizontal. As the crate moves 3.3 m, How…

A: Given :-  F = 190 N  S = 3.3 m m = 52 kg  directed 22° below the horizontal

Q: The force constant of a spring is 2.5*10^3 N/m. a.) how much work does gravity do when it pulls the…

A:

Q: Find the work done by (4 N) frictional force, in removing an object for (15 m) along horizontal…

A: Given data, Friction Force (F)= 4 N Horizontal Distance (d)= 15 m

Q: A 5.0 kg crate is pushed with 50 N of force for 10 s. If the coefficient of static friction between…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: From 2m/s, a 3 kg object is accelerated to 5 m/s on the positive x-axis. a. Determine the work; and…

A: Work done is defines as the dot product of force and the displacement of the body on which the force…

Q: A 1200 kg car going 30 m/s applies its brakes and skids to rest. If the friction force between the…

A: Given Data, Question-1 Mass of the Car(m)=1200 kg Initial Speed of the car(u)= 30 m/s Friction Force…

Q: Michael pulls a cart 30 m along a sidewalk with a tension force of 80 N. The force is directed 25⁰…

A:

Q: A cable pulls an 267 kg safe up a slope inclined at 19 °, for 20 m on an very slippery oily surface.…

A: a) The normal force acting on a safe will be perpendicular to the inclined surface and the safe will…

Q: WE-2 A 65.0kg crate is initially moving at 5.00m/s up a rough ramp. A horizontal force P=400N pushes…

A: Force is an external agent that has the ability to change the state of rest or motion of a certain…

Q: the work done by the force

A:

Q: 67

A: given that,Mass of truck : m= 1250 (kg)Initial Speed: u = 23.61(m/sec)Final speed : v=16.66…

Q: (Eigure 1) is the force-versus-position graph for a particle moving along the z-axis. Figure F, (N)…

A:

Q: A force F = Fi + Fyj + F₂k acts on a box of dehydrated potatoes as it moves from the origin to point…

A: According to question we need to find work done by the force.

Q: A cable pulls an 254 kg safe up a slope inclined at 20°, for 32 m on an very slippery oily surface.…

A:

Q: los ) 12. A rope is used to pull a metal box 15.0 meters across the floor. The rope is held at an…

A:

Q: A force of 25.0 N is exerted upwards on an object to lift it a distance of 3.20 m. What is the total…

A: work is component  of the applied force is in direction of displacement .   in this question  we…

Q: A cart of mass 8.00 kg was moved by applying two constant forces. Force 1 is 28.0 N at 42.0°, and…

A: The position of the cart is:                          The equation for the angle of the position…

Q: Matthew pulls his little sister Sarah (mass=22 kg) along the horizontal ground in a wagon. He exerts…

A:

Q: A crate of mass 20.0 kg is pushed up a rough incline, which makes an angle of 25° with the…

A:

Q: A block of mass 1.50 kg is pushed 2.50 m long a frictionless horizontal table by a constant 16.0- N…

A:

Q: 10. A box of mass 7.60 kg is pulled from rest up a 46.5 m long incline that makes an angle of 22.0°…

A:

Q: A 150-N crate slides with constant speed a distance of 10 m downward along a rough slope that makes…

A: The crate, having a 150 N weight is sliding down the incline at a constant speed. This means that…

Q: The net work exerted on a box filled with fresh berry during its motion from a point O to a point A…

A: Net work exerted or work done, w= 100 J Combined mass of box  and fruits, m=10 kg Initial speed of…