A crane lifts a 425 kg steel beam vertically upward a distance of 95 m. How much work does the crane do on the beam if the beam accelerates upward at 1.8 m/s ^2 ? Neglect frictional forces.

Q: A helicopter lifts a 100kg crate straight up via cable, with an acceleration of 0.8m/s?. If the…

A: mass of crate = 100 kg acceleration = 0.8 m/s2distance = 5 m

Q: How much work does it take to slide a crate 10 m along a horizontal loading dock by pulling it with…

A: Given that the  distance and angle and also given the force. Then We have to determine the work…

Q: A particle was subjected to a force Fx that varies with position as described by F =…

A:

Q: A crane lifts a 650-kg beam vertically upward 23.0 m and then swings it horizontally a distance of…

A: Given: The mass of the beam is 650 kg. The vertical displacement of the beam is 23 m. The horizontal…

Q: A 55 kg packing crate is pulled with constant speed across a rough floor with a rope that is at an…

A: Given: The mass of the packing crate is 55 kg. The tension in the rope is 125 N. The angle between…

Q: A 50-kg cavan of rice is pulled along a 10-m horizontal ramp with a force of 750 N. If it is dragged…

A: Given: Mass (m) = 50 kg  Force (F)  = 750 N  Displacement (d) = 10 m

Q: How much work did the movers do (horizontally) pushing a 160-kg crate 10.3 m across a rough floor…

A: Since the crate is moving acceleration, the pusher must do a work to overcome the frictional force.…

Q: A man pushes a cart with a constant force of 200 N at an angle 30° above the horizontal. If he does…

A: given applied force on cart F = 200 N at an angle 300 above the horizontal. hence Horizontal force…

Q: If your mother ask you to lift a 1 sack of rice and bring it home with a speed of 10km/hr for…

A: Work is said to be done when force applied on an object produces motion in  the object in the…

Q: How much work is required to move an object from x = 0 to x = 5 (measured in meters) in the presence…

A:

Q: A crane lifts a 650 kg beam vertically upward 10.8 m and then swings it westward 18 m. How much work…

A: The formula for workdone is W=Fxcosθ

Q: If you pull a 9 kg mass vertically up 1.6 m at constant velocity, how much work do you do?

A: Given Mass= 9[kg] Height to which the mass is pulled up vertically= 1.6[m]  Work is said to be done…

Q: A box with mass m = 39_kg slides down a Ar = 15 m ramp with incline o = 29°. Find the work done by…

A:

Q: A force F = 7.3 Ni – 4.5 Nĵ acts on an object. While this force acts, the has a displacement 7 = 1.5…

A:

Q: If work W is required to stretch an ideal spring a distance x from its unstretched length, what work…

A: spring

Q: what is the total work done by the force over the distance x=0 to x=15.0m?

A: Work done is basically the area under the graph of Force vs displacement!

Q: A single force acts on a 3.0 kg particle object whose position is given by x= 3.0t-4.0t^2+.5t^3,…

A: The mass of the particle m=3.0 kg The position of the particle x=3.0t-4.0t2+.5t3 The velocity of the…

Q: An archer pulls a bowstring back 0.500 m by exerting a force that increases uniformly from zero to…

A: It is given that, x=0.500 mF=250 N

Q: how much work did the movers do (horizontally) pushing a 46.0-kg crate 10.3 m across a rough floor…

A: The expression for the required work done is,

Q: Suppose you drag a box 8.0 m across a horizontal floor, exerting a force of 90. N at 35 degrees…

A:

Q: How much work is done lifting a 100 N barbell vertically 0.5 m?

A: The workdone in lifting a 100 N barbell vertically 0.5 m. given,Force(F)=100 Nheight(h) moved=0.5 m

Q: a helicopter lifts a 100kg crate straight up via cable, with an acceleration of 0.8m/s. if the crate…

A: mass = 100 kg acceleration = 0.8 m/s2distance = 5 m Apparent weight = m(g+a) = 100 (10+0.8) = 1080 N…

Q: How much work did the movers do (horizontally) pushing a 43.0-kg crate 10.3 m across a rough floor…

A: Given data:Mass of the crate, M = 43.0 kgDistance moved, d = 10.3 mCoefficient of friction = 0.50

Q: A worker pushes a wheelbarrow with a horizontal force of 240 N over a level distance of 5.0 m. If a…

A:

Q: How much work does it take to slide a crate 26 m along a loading dock by pulling on it with a 180-N…

A: Given Information: The distance is D=26 m The force is F=180 N The angle from the horizontal is 26°…

Q: A horse pulls a cart with a force of 2 kN at an angle of 27 degrees with the horizontal and moves…

A: Given: The force is 2 kN. The angle is 27 degrees. The speed is 10 kph. The time direction is 12…

Q: Acrate is moved 2 meters along a horizontal floor at a constant speed by force of 50 N which makes…

A: Given data:  Force (F) = 50 N Distance (d) = 2 m Angle (θ) = 30° above the horizontal  Required:…

Q: A block of mass 3.57 kg is drawn at constant speed a distance 4.06 meters along a horizontal floor…

A: Analyze the diagram of the given system.

Q: How much work did the movers do (horizontally) pushing a 46.0-kg crate 10.3 m across a rough floor…

A:

Q: The force F3,  13.88 N, acts on the block at an angle of 155.98 degrees.  If the block moves to the…

A: Here, the work done by F3 can be given as The minus sign indicates that the work done by F3 and the…

Q: A man pushes a 270-N block 9.1 m along a level floor at a constant speed with a force-directed 45•…

A:

Q: A person pulls a crate 46.6 meters along a horizontal floor by a constant force 105.4 N, which acts…

A: constant force = F = 105.4 N angle = 37.5 degrees frictional force = f= 50.6 N

Q: A horizontal spring has spring constant k = 100 N/m. How much work is required to compress it from…

A: Hooke's law states that force exerted by a spring is directly proportional to the displacement from…

Q: A force is given by the vector F = ( 2 i + 5 j) N and moves from the point (3i + 4j) m to the point…

A: force = (2i^ + 5j^) N initial position = (3i^ + 4j^) m final position = (2i^ + 3j^) m

Q: How much work is done lifting a 200 N barbell vertically 0.5 m?

A: The weight of the barbell, Fg = 200 N The distance for which the barbell is lifted vertically, d =…

Q: A concrete block is pulled 8.0 m across a frictionless surface by means of a rope. The tension in…

A: Given data: Displacement (d) = 8.0 m Tension force (F) = 40 N Net work done (W) = 247 J Required:…

Q: • A 1300-kg elevator is lifted at a constant speed of 1.3 m>s througha height of 22 m. How much…

A:

Q: A student slides her 67 kg desk across the level floor of her dormitory room a distance 8 m at…

A:

Q: A weight lifter lifts a 310 - N set of weights from ground level to a position over his head, a…

A:

Q: A 1200 N crate rests on the floor. How much work is required to move it at a constant speed (a) 5.0…

A:

Q: A horse pulls a 300 kg sled for 50 m over level ground at constant speed, exerting a force of 3000 N…

A: The mass of the sled, m=300 kg The displacement of the sled, d=50 m The force exerted by the horse…

Q: A worker pushes a wheelbarrow 5.0 m along a level surface, exerting a constant horizontal force of…

A: Given that Distance moved by the wheelbarrow d = 5.0 m ( let it is moved along right direction)…

Q: The force an ideal spring exerts on an object is given by Fx = -kx, where x measures the…

A: Given, spring constant k= 60 N/m initial position xi=-0.20 m final position xf=0 m

Q: A person pulls a 10 kg luggage along a level road for 5 m by exerting a force of 20 N at an angle of…

A:

Q: how much work is done on a cart by a force F=(10i+5j)kN that causes a displacement of d=(2i+0j)m?

A: The work done is given by  W =  F→ . d→ where, F is the force vector and d is the displacement…