To pull a 50 kg crate across a horizontal frictionless floor, a worker applies a force of 210 N, directed 20 above the horizontal. As the crate moves 3.0 m, what work is done on the crate by (a) the worker’s force, (b) the gravitational force, and (c) the normal force? (d) What is the total work?

Q: A truck is towing a broken-down car via a horizontal cable for 360 m along a road. If the tension on…

A: Tension is a pulling force acting at the ends of a string or cable. Work done is the energy imparted…

Q: A constant force of magnitude 10 has the same direction as i. Find the work done if its point of…

A: Given: The magnitude of the force is 10 N. The point of application is 0,1 to 1,0. Introduction: The…

Q: An object of mass 4.0 kg starts at rest from the top of a rough inclined plane of vertical height…

A: The mass of the object, m=4.0 kg   The vertical height, h=10 m   The spring constant, k=200 N/m…

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

A:

Q: An archer pulls his bow string back 0.40 m by exerting a force that increases uniformly from zero…

A: displacement of string pulled by archer, s = 0 40 m Initial force applied, Fi = 0  Final force, Ff =…

Q: A particle of mass 2.0 kg moves under the influence of the force F(x) =(−5x2 + 7x)N. Suppose a…

A: Given The mass of the particle is m = 2 kg. The force applied to the particle is F = (−5x2 + 7x)N.…

Q: A particle of mass 6 kg is constrained to move along the trajectory y(x) = -8 x2 + 49 (m).  If the…

A:

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 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: Given Data : Mass of luggage, m= 10 Kg                      Force= 20N                      Vertical…

Q: Suppose a person pushes a box over a distance of 3.88 m with a constant force of 375.2 N. How much…

A:

Q: A gardener pushes a lawn roller through a distance of 20 m. If he applies a force of 196 N in a…

A:

Q: A man pushes a lawnmower on a level lawn with a force of 193 N. If 40% of the force is directed…

A: Given: The force is F=193 N The horizontal force is FH=40100F=0.4×193 N=77.2 N The displacement is…

Q: Andy carries a sack of rice on his shoulder by applying a 250N force. Andy moves 8 m horizontally,…

A:

Q: A block of mass m = 7 kg is placed on a rough inclined surface making an angle of 0 = 32° with the…

A: Draw the free-body diagram of the block.

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: A box of canned goods, contents have a total mass of 4.5 kg, is pushed 2 m along the floor by a…

A:

Q: A box of canned goods, contents have a total mass of 4.5 kg, is pushed 2 m along the floor by a…

A: The free body diagram of the box is given below.

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 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: I attached the problem. Thanks

A:

Q: A 2.4 kg object slides across a horizontal surface with an initial speed of 7.6 m/s. If the object…

A: SOlution: Given that m = 2.4 kg v = 7.6 m/s

Q: A can of sardines is made to move along an x axis from x = 0.26 m to x = 1.11 m by a force with a…

A:

Q: A bowstring behaves like a spring with a spring constant of 420 N/m. It is initially pulled back 30…

A:

Q: The force on a particle is directed along an x axis and given by F = F0(x/x0 - 1) where x is in…

A: The force on a particle directed along x axis is given by,

Q: A box of mass m = 1.55 kg is pushed a distance d = 1.75 m along a frictionless horizontal table by a…

A:

Q: Initially at rest, a block with a mass of 6 kg above a frictionless surface is pulled to the right…

A:

Q: Erol carries an 8.0 -kg suitcase as she walks 45 m along a horizontal walkway to her room at a…

A:

Q: A particle was subjected to a force F, that varies with position as described by 375 F where F is in…

A:

Q: A particle was subjected to a force F, that varies with position as described by 375 F = x³+3.75x…

A: Rewrite the force using partial fraction

Q: The force needed to stretch a spring by x meters is given by F(x) = 3.6x Newtons. How much work is…

A:

Q: A 70 kg hiker climbed a mountain 1000 m high. Assuming the work was done at a steady rate during 3…

A:

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: Two forces act to double the speed of a particle, initially moving with kinetic energy of 1 J. One…

A: Suppose that mass of the particle is m Initially speed of the particle is v and final velocity is 2v…

Q: To push a 25.0 kg crate up a frictionless incline, angled at 25° to the horizontal, a worker exerts…

A: Given: The mass of crate is m=25 kg. The angle is θ=25°. The force is F=209 N. The displacement is…

Q: The graph (attached) shows the x component of a force that acts on an object that moves on the x…

A:

Q: How much work is done by a boy pulling his sister 30.0 m in a wagon if he applied 50 N force at…

A:

Q: In the figure, a constant force F of magnitude 84.0 N is applied to a 3.0 kg shoe box at angle p =…

A: this problem can be solved by work energy theorem  which states that work done is equals the change…

Q: A force = (8x + 7y ) N acts on an object as if moves in the x direction from the origin to x = 7.00…

A: Let the work done is given by W Let the force acting on the object is given by F Let the…

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: A 4.8 kg box has an acceleration of 1.8 m/s when it is pulled by a horizontal force across a surface…

A: Given that,mass, m=4.8 kgacceleration, a=1.8 ms2μk=0.50work done over distance=22 cmd=0.22 m…

Q: porter 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: 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: The force on a particle is directed along an x axis and given by F = F0(x/x0 - 1) where x is in…

A: Work done when the force and displacement are in same direction is,

Q: The force on a particle is directed along an x axis and given by F = F0(x/x0 - 1) where x is in…

A: