A shopper pushes a grocery cart 22.0 m at constant speed on level ground, against a 31.0 N frictional force. He pushes in a direction 26.00 below the horizontal. (a) What is the work (in J) done on the cart by friction? J (b) What is the work (in J) done on the cart by the gravitational force? J (c) What is the work (in J) done on the cart by the shopper? J Find the force the shopper exerts (in N), using energy considerations. (Enter the magnitude.) (d) N What is the total work (in J) done on the cart? (e) J

Q: A tension force of 165 N inclined at 30.0o above the horizontal is used to pull a 27.0 kg packing…

A:

Q: A factory worker pushes a 25.0-kg crate a distance of 6.0 m along a level floor at constant velocity…

A: As the box is moving with uniform velocity i.e. there is no acceleration, we can deduce that the net…

Q: A 2.5 kg object undergoes a displacement Ar=3.0 ml +3.5 mĵ-2.0 m k along a straight line. During the…

A:

Q: An 8.0 kg sled is initially at rest on a horizontal road. The coefficient of kinetic friction…

A:

Q: A block of mass m = 2.50 kg is pushed d = 2.00 m along a frictionless horizontal table by a constant…

A:

Q: A cable exerts a constant upward tension of magnitude 1.54 x 10 N on a 1.40 x 10 kg elevator as it…

A: According to question--- Given data-- Tension  = 1.54 × 104 N. Mass of elevator m = 1.40 × 103 kg.…

Q: Juan, Jose, and Jokoy are pushing a table with a constant 475 N force. Juan is pushing the table…

A: Given information: The force applied to the table by Juan is, FJn=475 N This force is acting…

Q: A shopper in a supermarket pushes a cart with a force of 45 N directed at an angle of 25° below the…

A: Given values: Applied force, F=45 N Angle below the horizontal, θ=25° Length of the aisle, d=45.0 m

Q: A 339 kg box is pulled 6.00 m up a 30° frictionless, inclined plane by an external force of 4625 N…

A:

Q: A block of mass 2.50 kg is pushed 3.00 m along a frictionless horizontal table by a constant 16.0 N…

A:

Q: A person pulls a toboggan for a distance of 27.2 malong the snow with a rope directed 23.4° above…

A: The work done is given by  W = F s cos A where, F is the force, s is the displacement and A is the…

Q: A shopper pushes a grocery cart 16.0 m at constant speed on level ground against a 31.0 N frictional…

A: The expression for the work done is W=F·d=Fdcosθ The force of friction acts in the direction…

Q: A block of mass m = 2.50 kg is pushed d = 2.30 m along a frictionless horizontal table by figure…

A:

Q: A block of mass 2.50 kg is pushed 2.20 m along a frictionless horizontal table by a constant 14.0N…

A:

Q: A 15.0 kg is pushed up along a 4.00 m long ramp inclined at 28.0° by a constant horizontal force at…

A:

Q: A 2 kg block is pulled 4.0 m along the horizontal ground by a force of 25 N that makes an angle of =…

A:

Q: ou exert a 44 N push on an object (90 kg) parallel to a ramp, and the ramp is inclined at an angle…

A: work done by push = force * displacement  = 44 * 17  = 748 Joules work done by normal force = 0…

Q: Starting from rest, a 5.90-kg block slides 1.60 m down a rough 30.0° incline. The coefficient of…

A: Solution: Given that A 5.90-kg block slides 1.60 m down a rough 30.0° incline. The coefficient of…

Q: A block of mass m = 250 kg is pushed d = 2.30 m along a frictionless horizontal table by a constant…

A: Draw the free-body diagram of the block as shown below.

Q: A block with a mass of 47.0 kg is pushed with a horizontal force of 150 N. The block moves at a…

A:

Q: A physics TA pushes a 20.0 kg equipment cart at a constant velocity for a distance of 18.0 m down…

A: (a) Calculate the force exerted on the cart by TA by applying Newton's second law, FNet = ma Fcos21…

Q: A 268-kg crate is being pushed across a horizontal floor by a force P that makes an angle of 38.9 *…

A: Visualize the Problem:

Q: lock of mass m = 2.9 kg is placed on a rough incline surface making an angle θ = 13.8°  with…

A:

Q: A delivery truck from the postal service is traveling with constant velocity up an interstate…

A: The forces on the box is shown below; In the above figure N is the normal force, mg is the weight…

Q: To push a 29.0 kg crate up a frictionless incline, angled at 25.0° to the horizontal, a worker…

A: The energy of the crate at the bottom of the incline, just before the worker starts applying force=0…

Q: To push a 27.0 kg crate up a frictionless incline, angled at 25.0° to the horizontal, a worker…

A:

Q: A 3.25-kg crate starting at rest slides down a rough 7.00-m-long ramp, inclined at 27.5° below the…

A:

Q: Starting from rest, a 4.2-kg block slides 2.20 m down a rough 30.0° incline. The coefficient of…

A: Given Data: The mass of  a block is, m=4.2 kg The distance at which box slides is, d=2.20 m The…

Q: A crate with a mass of 46.0 kg is pushed with a horizontal force of 150 N. The crate moves at a…

A: mass of crate (m) = 46 kg horizontal force (F) = 150 N distance moved = 5.50 m speed = constant

Q: A tension force of 165 N inclined at 25.0° above the horizontal is used to pull a 39.0 kg storage…

A: Given data: The value for the tension is F = 165 N The angle is given as = 25.0 degree The given…

Q: A 30N force acts at a 400 angle from the horizontal on a 30kg block at rest on a perfectly smooth…

A:

Q: A worker pushes a 30.0-kg crate a distance of 4.5 m along a level floor at constant velocity by…

A:

Q: A person pulls a toboggan for a distance of 42.8 m along the snow with a rope directed 26.4° above…

A: GivenA person pulls a toboggan for a Distance, d=42.8 mAngle of rope above the snow, θ=26.4°Tension…

Q: (a) Determine the work done by the force of gravity. (b) Determine the work done by the friction…

A: Free body diagram

Q: A block of mass m is lowered down a surface inclined at θ degrees for a distance d between points A…

A:

Q: A  block of mass 2.50 kg is pushed to 2.20 m long along a frictionless horizontal table by a…

A: Given data, Mass of the block = 2.5 kg Displacement = 2.20 m Applied force = 15.1579 N Angle with…