A student pushes a textbook 1.0 m across the table.  She uses an applied force of 5.0 N against a force of kinetic friction of 5.0 N.  The net work done on the book is:       A)  5.0 J   B)  10.0 J   C)  25 J   D)  -5.0 J   E)  0.0 J

Q: A 300000 gm cart is pushed slowly up an incline. How much work does the pushing force do in moving…

A: Work done on the cart is equal to the potential energy gained by the cart at some height. Potential…

Q: The force acting on a particle varies as shown in the figure below.   (a) Find the work done by the…

A: Given data:  Force vs displacement graph Required: The work done by the force

Q: A chain of length 4 m is kept on a table. 2 m of the chain hangs freely from the table’s edge. The…

A: Given: length = 4 m table = 2 m mass of the whole chain = 8 kg

Q: A student in a lab exerts a force of 25 N on an angle to pull a block by a distance of 48 cm. If a…

A: Given data :- Force F = 25 N Displacement d = 48 cm = 0.48 m Work done W = 11 J

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

A:

Q: A constant force F = 5.0 N (i hat) + 2.0 N (j hat) opposes the motion of a block as it slides from…

A: The equation for the work done is

Q: Marry pulls a box to her room that is 8.0m away by exerting a force of an angle of 18 degrees with…

A:

Q: The object in the figure below undergoes a displacement of 2.00 m. The work done by the F=10.0 N…

A: Given that F = 10 N Displacement ∆x→ = 2 m x^ Angle with X-axis θ = 60°

Q: The brakes of a truck cause it to slow down by applying a retarding force of 3190 N to the truck…

A: Write the expression for the work done. Here, F is the force, d is the distance, and θ is the angle…

Q: How much work W is done by the force to move the object from x=2 m to xy=7 m? F. (N) 6 0 2 4 6 8 10…

A: Given :- Graph between force and distance.

Q: An applied force of ? = −6 ? ?− 2 ? ? caused the object to moves a displacement of? = 3 ? ?+ 1 ? ?.…

A:

Q: A man pushes a block of mass M along a frictionles ramp at constant speed to a heighth as shown in…

A:

Q: Estimate the work (in J) you do to mow a lawn 20 m by 20 m with a 60-cm-wide mower. Assume you push…

A: in this question  we use simple work equation.

Q: An apple crate with a mass of 12.0 kg accelerates along a frictionless surface as the crate is…

A:

Q: It requires 6.0 J of work is needed to push a 2.0-kg object from point A to point B up a…

A:

Q: B) 3.20 m 9.00 m

A:

Q: An object is constrained to move along the +y- axis at a constant speed when a variable force begins…

A: Given data:  The graph between y-component of the force and displacement in y-direction Required:…

Q: Another example of moving a couch at a constant speed, this person pushes down at an angle of 27.10…

A: Mass of object is m=25.7 kg Object moving at constant speed. The person pushes down the object at an…

Q: A mother carries a 15 kg child up the stairs to bed. If the stairs have a vertical height of 3.2 m,…

A: The work done by the gravity on the child can be given as

Q: A man is pushing a lawnmower as shown in the diagram above with an angle of 0-30 below the…

A: Given data:  Angle (θ) = 30°,below the horizontal  Force (F) = 100 N Work done (W) = 1000 J…

Q: A force of 20 N moves an object in the direction of the force.  The work done when the object moves…

A: Given data:  Force (F) = 20 N Initial position = 2.0 m Final position = 4.0 m Required: The work…

Q: How much work is done by a 500 N rightward force that acts on a boat as it moves 30 m to the left? *…

A: Applied force (F) = 500 N ( in rightwards direction) distance moved (d) = 30 m ( to the left)

Q: The work done by kinetic friction is:       A)  always negative   B)  always positive   C)…

A: Work is defined by the relationWork=Force×displacementForce and displacement, both are vector…

Q: A force is applied on a 10kg block as shown. As the block travels to the right by amount z m, the…

A: The mass of the block is given as, m=10 kg, The force as a function of position is given as, Fx=-6x.…

Q: Work becomes less if force is applied to an angle with motion. a) True b) False

A:

Q: work is being done when an object is displaced in the same direction as the force applied.   -…

A:

Q: a child pulls a box of 6kg a distance of 10 meters along a rough horizontal surface with a…

A:

Q: What is the work required by friction to stop a 6.7 kg block sliding on a table if it initially has…

A:

Q: Ms. Weisenseel is using the elevator to transport some field hockey equipment to her attic. She…

A:

Q: A ball with a mass of 4.25kilograms slides in an inclined plane with an angle of 38 degrees from the…

A:

Q: A 300-9 block is dropped onto a relaxed vertical spring that has a spring constant k-210.0 N/m. The…

A:

Q: A boy is pulling his sister in a wagon. He exerts a force of 40.5 N at an angle of 30 degrees.  1)…

A: Force (F) = 40.5 NAngle (θ) = 30°Displacement (d) = 29.5 mRequired:Work done

Q: A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the…

A: As object is moving horizontally, potential energy will remain constant. From work energy theorem,…

Q: A force F = (2i – 7j + 3k) N acts on an object as it undergoes a displacement Ar = (14j + 5k) m.…

A: Work done by system.

Q: A small pail is filled with sand with a mass of 675 grams that hangs in a makeshift crane at the end…

A:

Q: Graphical Interpretation of Work: The resultant force on an object over a 0.50-s time interval is…

A: Given data:  Force vs displacement graph Required: The work done (W)