A force of 49 N raises a 5 kg object 0.61 m upwards. How much work was done by the force?

Q: A force of 6 pounds is required to hold a spring stretched 0.3 feet beyond its natural length. How…

A:

Q: What is the work done by the force pulling a block 1 meter with two 0.5 kg masses on it?

A: We know, Workdone=Force ×displacement

Q: When you lift a box with a mass of 350 kg to a height of 2.5 meters, how much work have you done?

A:

Q: a worker pushes horizontally on a large crate with a force of 215 N, and the crate is moved 3.5 m.…

A:

Q: A 50 N block is raised 2 m. If the net work done on the block is 50 J, what is the applied force on…

A: Given that                The weight of the block is (F) = 50N                 Height of the block…

Q: How much work is required to lift a 9.5-kg backpack 1.4 m to put it on?

A: Dear student The work is defined as : W = Force × Displacement in the direction of force

Q: A small truck has a mass of 2225 kg. How much work is required to decrease the speed of the vehicle…

A:

Q: A man with 80.0 kg mass climbs a stairs with a height of 7.0 m within 15.0 seconds. What is his…

A: P=Et=mght

Q: What is the work done lifting a 20kg child from the floor to a height of 2m? (Note that a mass of…

A: Given  Mass(m) = 20 kg  Height (h) = 2 m  Acceleration due to gravity near earth surface (g) = 9.8…

Q: How much work is done against gravity in lifting a 9 kg object through a vertical distance of 55 cm?…

A: Expression for force applied to lift the object -  F=mg Where m=Mass=9 kg  g=Acceleration due to…

Q: how much work do you do by pushing a sack of cement with a force of 300 N across a distance of 8…

A: Given data: Force (F) = 300 N Distance (s) = 8 m Required: Work done (W)

Q: A ball of 0.1 kg is dropped from rest. When it falls through a distance of 2 m, the work done by the…

A:

Q: How much work would you do if you climbed 8 meter up a tree, if your weight is 57 kilograms?

A:

Q: If a runner exerts 350 J of work to make 125 W of power, then how long did it take the runner to do…

A: Consider the work exerted by the runner is 350 J. The power of runner is 125 W. The objective is to…

Q: If a runner exerts 350 J of work to make 150 W of power, then how long did it take the runner to do…

A:

Q: How much work is done in ergs in pulling a box 2 m across a table top with a force of 20 N in…

A:

Q: How much work is needed for a 75-kg runner to accelerate from 3.2 m/s to 5.2 m/s?

A: Given:             Mass of runner M=75kg           Accelerates from 3.2 m/s

Q: If you push a cart with a force of 60 N resulting in 120 J of work, how far did you move the cart?

A:

Q: A worker pushes horizontally on a large crate with a force of 195 N, and the crate is moved 4.0 m.…

A: Given data: The applied force is F=195 N. The distance moved is s=4 m.

Q: How much work is done by lifting a 50kg box onto a 2.5 m high ledge?

A: Given conditions ⇒ Mass = 50 kg. Distance travelled upwards = 2.5 m. Acceleration due to gravity =…

Q: How much work is done on a 20 kg crate that is hoisted 2 m in a time of 4 s?

A:

Q: how much work is required to lift a 5.9-kg backpack 1.2 m to put it on?

A: Given The mass of the backpack is m = 5.9 kg. The distance upto which the backpack is lifted is r =…

Q: A 5.3 kg textbook is raised a distance of 35.2 cm as a student prepares to leave for school. How…

A: GivenMass m = 5.3 kgHeight h = 35.2 cm = 0.352 m

Q: How much work is required to lift a 4.6-kg backpack 1.1 m to put it on?

A:

Q: How much work is done?

A:

Q: A barrel has a mass of 70 kg, and the height of the dock is 1.2 m. How much work do you do when…

A: Work done(w) = force*displacement                    w = F*r                    From Newton's laws…

Q: How much work is done by a person lifting a 7.0-kg object from the bottom of a well at a constant…

A: Mass, m = 7.0 kg Speed, v = 4.0 m/s Time, t = 1.5 s

Q: Suppose that 48 J of work is needed to stretch a spring from its natural length of 9 m to a length…

A:

Q: How much work is done moving a 2.4 kg book to a shelf 4.0 m high?

A:

Q: How much work (in J) is done in raising a 44.9 kg crate a distance of 1.5 m above a storeroom floor?

A: Given : Mass of crate is 44.9 kg             Distance is 1.5 m above a storeroom floor

Q: 5 joules of work is needed to stretch a spring from its natural length of 30 cm to a length of 44…

A: Write the expression for the work-done to stretch the spring from 30 cm to 44 cm, and solve the…

Q: How far must a 50 N force need to push an object to do 10 J of work?

A:

Q: How much work is done by lifting a 50kg on to a 2.5 m high ledge?

A:

Q: a person pushes a box 10 meters along the ground using a force of 100 Newton. How much work had been…

A: Given : d = 10 m F = 100 N

Q: How much work (in J) is done when a force of 888.0 N is exerted while pushing a crate across a level…

A: Given that, Force = 888.0 N Distance = 1.32 m

Q: Lifting a weight to a height of 20 m takes 20 s for one crane and 10 s for another. Is there any…

A: Given:  height,h = 20 m  t = 20 s  t' = 10 s

Q: How much work is required or lift a 4.1 kg concrete block to a height of 2.5 m?

A: Potential energy is the energy that is equal to the product of mass, gravitational acceleration, and…

Q: How much work is done in lifting a 2.3 kg rock off the ground to put it on a table that is 1.3 m…

A:

Q: How much work (in J) is done to accelerate a car which has a mass of 1500 kg from a speed of 13 m/s…

A: Mass ( m ) = 1500 kg Initial Velocity ( u ) = 13 m/s Final Velocity ( v ) = 30 m/s

Q: A weightlifter raises a 700 N barbell a distance of 3 m.  How much work was done?

A: When weightlifter raises barbell by applied force it displaced to some distance , work is to be done…

Q: A weightlifter lifts barbells of 200 Newtons above his head to a height of 2 metres. How much work…

A: Given Weight of barbells w=200N  Height raised h=2m

Q: A man pushes the lawnmower on a level lawn with the force of 197 N and if 34% of this force is…

A: Given data The force is given as F = 197 N. The percentage of the force is given as 34%. The…

Q: A shopper does 50 J of work to move a cart by 10 m. What was the force required to do this?

A: Required : Force required