What is the change in the kinetic energy of the block from point O to the highest point reached by the block? What is the expression for the work done by gravity and elastic forces on the block from point O to the highest point reached by the block? What is the expression for the work done by friction on the object as it goes from O to the highest point reached by the block?

Q: A block of mass, m, is pulled over a distance, d, by an applied force, F, along a smooth horizontal…

A: Applied force = F Displacement = d Here force and displacement is in sane direction . therefore…

Q: Is this because the other equation for work is W=FsW=Fs, where W is the work, F is the force, and s…

A: In physics, work has totally different meaning. Here, work is said to be done when there is force…

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: In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using…

A: Mass of the object m = 281.5 kg distance lifted d = 17.1 cm = 0.171 m

Q: traveler pulls on 15-kg carry-on luggage with a force F = 20 N angled at 40o above the horizontal…

A:

Q: A person pushes a wheelbarrow with a horizontal force of 50 N on levele ground over a distance of…

A: Drawing Free body diagram of the wheelbarrow We know that workdone W=F×D×cos(θ)…

Q: A 65.0-kg file cabinet of is sliding down a rough ramp for a distance of 5.00 m as shown. The…

A: Normal reaction is perpendicular to the displacement

Q: 19. Karen has a mass of 57.0 kilograms and she rides up an escalator at Woodly Park Station of the…

A:

Q: tolerance is 3 sig figs

A: The objective of this question is to calculate the work done on the box by the force when the box…

Q: eacher lifted a 10 N box and placed it down.  Did she do any work?  Explain your answer using

A: Assume that the teacher does only enough force to overcome gravitational pull i.e. 10N here. force…

Q: How much work does gravity do on the suitcase?

A:

Q: The force, F, required to compress a spring by a distance a meters is given by F = 7x newtons. Which…

A: The work done can be given by W=∫abFxdx

Q: Several physical situations are described below. For each situation, simplify the work-energy…

A:

Q: How much work is done on the lawn mower by the person if he exerts a constant force of 93.2 N at an…

A: The force exerted by the person is: The angle at which the force is applied below the horizontal is:…

Q: A force of 434.0 N is exerted on a 1,250 N car while moving it a distance of 2.65 m. How much work…

A: Express the relation for the work done on the car. W=Fd Here, W is the work done, F is the force…

Q: What is the total work WF1 done on the block by the applied force F₁ as the block moves a distance L…

A: Given data-  Weight of block w=mg sits on inclined plane. In first condition applied force on…

Q: A 65.0-kg file cabinet of is sliding down a rough ramp for a distance of 5.00 m as shown. The…

A:

Q: A-350-kg box is pulled 7.60 m up a 35.0° inclined plane by an external force of 5000 N that acts…

A: Given: Mass=350kg d=7.60m Angle=35 deg External force=5000N Need to find Work done by external…

Q: Read the introduction to Tutorial 4 in the Tutorial Manual to help you answer the questions below.…

A: Introduction: Work is defined as the product of force and displacement. Energy is defined as the…

Q: tion F(x) = ax2 - bx, where a = 65 N/m2, b = 18 N/m, and the positive x direction is in the…

A: GivenF(x)=ax2-bxwherea=65 N/m2b=18 N/m

Q: The force acting on a particle varles as shown in the figure below. (The x axis in the graph has Its…

A: Part (a) The work done by the force on a particle is the area under the curve and is given by:…

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: Mark and David are loading identical cement blocks onto David's pickup truck. Mark lifts his block…

A: Mark and wood done the same amount of work

Q: A 65.0-kg file cabinet of is sliding down a rough ramp for a distance of 5.00 m as shown. The…

A: Given data The mass of the file cabinet is given as m = 65 kg. The distance traveled by the cabinet…

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: If the total work is negative

A: The work done on an object is given by the formula W = F × d cosθwhere,W = work doneF = applied…

Q: The work done in pushing a TV set a distance of 2 m with an average force of 55 N is _________ . In…

A:

Q: Q7. You push a 100-kg file cabinet up on a ramp with a force of 500 N, your push force is parallel…

A:

Q: Calculate the work done by a 71 kg man who pushes a crate 7 m up along a ramp that makes an angle of…

A:

Q: You drop a 2.60 kg book to a friend who stands on the ground at distance D = 12.0 m below. If your…

A:

Q: A man pushes a cart 25m at a constant speed on ground level, against a 36N frictional force. He…

A: Given distance=25m           frictional force=36N           θ=28.50      Work done by the friction…