A crate weighing 50 kg requires 100N of force to slide it along a level floor. How much work is done when the crate is a) pulled 10m? b) lifted 10m high?

Q: A boy of mass m climbs up the stairs of vertical height h. What is the work done by the boy against…

A: Given,           A boy of mass m climbs up the stairs of vertical height h.

Q: A container with a mass of 5.1 kg is lifted to a height of 8 m and then returned back to the ground…

A: Solution: A container is lifted to height h and then returned back to ground level. How much work is…

Q: how much work is done when a 7kg cart is pulled with a force of 30 n at angle of 20 degrees above…

A: Given data The mass is m=7 kg The force is F=30 N The angle between the force and motion is θ=20o…

Q: - How much work is done when Allen applies a force of 200N to drag an 80kg crate 8.0m across the…

A: Introduction :  In this question we are provided with value of force and distance . with these data…

Q: How much work is done sliding a 3kg mass 5 meters horizontally on a frictionless surface

A: Write the given values with suitable variables. m=3 kgd=5 m Here, m denotes the mass and d denotes…

Q: A crane lifts a 320 kg crate up a height of 4.5 m. How much work foes the crane do to list the…

A: The change in the gravitational potential energy of the crate is, ∆PE = mgh = 320(10)(4.5) = 14400J…

Q: At a playground, a 22 kg child plays on a slide that drops through a height of 2.3 m . The child…

A: From conservation of energy , the change in mechanical energy is equal to the non-conservative work…

Q: You toss a 0.10-kg ball straight up at a speed of 2.0m/s. How much work is done by gravity when the…

A:

Q: A construction worker, 24 feet up ona scaffold, lifts a 4-Ib rope h over hand up to the scaffold to…

A:

Q: you slide a 20kg box across a floor from rest until it reaches a speed of 5.8m/s in 3seconds.…

A: Given: Mass of the box, m = 20kg Speed attained by the box, v = 5.8 m/s The time taken for attaining…

Q: A 1.8 kg block is lying on a 0.78m-high table. You pick it up and place it on a bookshelf 2.0 m…

A:

Q: A force (2î -4ON moves an object from the point P (1, 3) m to the point O (3, 8) m. The work (in )…

A:

Q: A man applies a force of 45 N to push a lawn mower 10 meters. Calculate the work done

A: Work done is product of force and displacement.  W=Fd Here, F is force and d is displacement.  Given…

Q: Joe pushed a box rightward with a force of 3 N, causing it to slide 2 m across the floor at a…

A:

Q: Suppose you lift a laptop that weighs 4.4 pounds off the floor onto a shelf that is 3 feet high. How…

A: Given data The mass of the laptop is given as m = 4.4 lb. The height of the lift is given as h = 3…

Q: A force of 80N [left] is applied to a desk making it slide 12 m [left] across the floor. How much…

A:

Q: A construction worker, 20 feet up on a scaffold, lifts a 2-lb rope hand over hand up to the scaffold…

A: Given : Weight of Block=m=8 lb Weight of rope=M=2 lb Length of rope=l=20 feet Height of the…

Q: A 380-lb gorilla climbs a tree to a height of 23 ft. Find the work done (in ft-lbs) if the gorilla…

A: Weight of gorilla = 380 lb  Displacement of gorilla = 23 ft

Q: A 5 Ib monkey is attached to a 20ft hanging rope that weighs 0.3 lb/ft. The monkey climbs the rope…

A: The force needed to lift the object is equivalent to the object’s weight. So, total weight hanging…

Q: What work is done by a force of 20 N acting through a parallel distance of 8 meters. What force will…

A: Given: Work is done by a force of 20N acting through a parallel universe of 8 meters. To…

Q: A little boy is in a treehouse, 16 feet up in a tree. He lifts a 2-lb rope that reaches the ground…

A:

Q: A worker pushes horizontally on a large crate with a force of 890 N, and the crate is moved 6…

A: Work done

Q: Work on a car, to increase its KE. How much net work is requierd to accelerate a 100-kg car from 20…

A: The work is defined as the rate of energy transfer in an object that occurs when the force displaces…

Q: You push your much-loved 3-kg physics book 1.01 m along a horizontal table top with a horizontal…

A:

Q: A book is moved on a rough wooden table from position A to position B. What is TRUE about the work…

A: Since, the work done by friction depends on the path taken and also the nature of work done by…

Q: A 5.5 kg textbook is raised a distance of 35.6 cm as a student prepares to leave for school. How…

A: Given : m = 5.5 kg h = 35.6 cm = 0.356 m

Q: Calculate the work done A car of weight 20000N climbs up a hill at8m/s speed. Gaining a height of…

A: Given : velocity=8m/s Weight = 20,000 N height=120 m time=100s g=10 m/s² Weight = mg Mass =…

Q: A tennis player hits a 58.0 g tennis ball so that it goes straight up and reaches a max height of…

A: Given data The mass is m=58 g The height is h=8.09 m The work done by the gravity on the  the ball…

Q: A 100-kg box is lifted slowly by a forklift from the ground to a height of 1.0 m. What is the work…

A: Mass of box m= 100 kg Displacement = 1m

Q: An average force of 600 N compresses a spring by 0.30 m. How much work is done by the force…

A: Solution: The work done in compressing a spring is equal to the product of force applied and the…

Q: A spring gets an extension of 5 cm when 2.5 N force is applied. What is spring constant? How much…

A: According to question--- Given values--- x = 5 cm. force = 2.5 N. We have to find -- What is…

Q: How much work is done? when 50N of force move a box through a distance?

A: Given, Force = 50 N

Q: You are bench pressing weights and have a 50 kg mass lifted above your chest.  How much work do you…

A: The expression for the required work done is,

Q: A rightward force of 4.0 N is exerted upon a 2.0-kg object for a distance of 3.0 meters. What is the…

A: Given information: The mass of the object (m) = 2.0 kg The Force acted on the object (F) = 4.0 N The…

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: During a tug-of-war match, team A pulls on team B by applying a force of 1100 N to the rope between…

A:

Q: MY NOTES ASK YOUF A 390-lb gorilla climbs a tree to a height of 24 ft. Find the work done (in ft-lb)…

A:

Q: a boy exerts an avarage force of 65N when he lifts a box with 1.2m. how much work does boy do

A:

Q: How much work should a 2000kg truck produce to drive a 278 km highway if an average force if 474N…

A: Given  Mass of truck (m) =2000 kg  Average force exerted by truck to overcome friction (F) = 474N…

Q: how much work is done if you slide a 20kg box along the floor by applying a force of 25n for 6…

A: Given:- m=20 kg F=25N r=6m Find the work done(W). w=F.r

Q: How much work is done to move a 10900 N car 28 meters?  joules

A: Given data The force to move the car is F=10900 N The distance move by the car is d=28 m   The work…

Q: A tennis player hits a 52.0 g tennis ball so that it goes straight up and reaches a maximum height…

A: The expression for find work done by the gravity on the ball on the way up is W=m-gh=-mgh Insert…

Q: Samantha pushes a 50-N crate up a ramp 25.0 m in length and inclined at 10° with the horizontal.…

A: Calculate the vertical height of the 25 m ramp with respect to the ground. h=Lsin10°  =25 msin10°…

Q: A weight lifter lifts a 330-N set of weights from ground level to a position over his head, a…

A: Given:Weight = force = 380 NDistance = 1.75 m