A man pushes a cart up a hill with a combined load of 1500 kg. The...
A man pushes a cart up a hill with a combined load of 1500 kg. The height of the hill is 220m and the total distance to the top of the hill is 200m
a) Calculate the normal force on the cart.
b) If the coefficient of friction up the hill is μk = 0.1, what is the minimum amount of force the man must push the cart to accelerate it constantly up the hill 5 m/s2?
Homework Answers
Add Answer to:
A man pushes a cart up a hill with a combined load of 1500 kg.
The...
The 75-kg man pushes on the 150-kg crate with a horizontal force F. The coefficients of...
The 75-kg man pushes on the 150-kg crate with a horizontal force F. The coefficients of static and kinetic friction between the crate and the surface are μs = 0.3 and μk = 0.1, and the coefficient of static friction between the man's shoes and the surface is μ′s = 0.8. What is the greatest acceleration the man can give the crate if the man's acceleration is zero at this instant? I keep getting 1.96 but it says answer is...
Bob’s 90.0 kg apple cart accidently started rolling down a hill. When Bob caught up with...
Bob’s 90.0 kg apple cart accidently started rolling down a hill. When Bob caught up with the cart, it was travelling at 2.00 m/s. Bob applied a braking force (parallel to the hill) of 400 N (force F on the diagram) over a distance of 3.50 m. If you ignore air resistance and friction, how fast was the cart going after this distance? The angle from the groud to the begining of the hill is 25 degrees
3. A worker pushes constantly downward on a box of mass 43.0 kg with a force...
3. A worker pushes constantly downward on a box of mass 43.0 kg with a force of 230 N at an angle of 26.0° from the horizontal. The box starts from rest and moves across a level floor for a distance of 3.66 m. The coefficient of kinetic friction is -0.384 230 N 43.66 m a) Show that the normal force on the box is 522 N. b) Find the force of friction on the box. c) What is the...
A contestant in a winter games event pushes a 36.0 kg block of ice across a...
A contestant in a winter games event pushes
a 36.0 kg block of ice across a frozen lake as shown in the figure
below. The coefficient of static friction is 0.1 and the
coefficient of kinetic friction is 0.03. (Assume θ = 22°.)
A contestant in a winter games event pushes a 36.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction...
You push a box of mass 16.3 kg with your car up to an icy hill...
You push a box of mass 16.3 kg with your car up to an icy hill slope of irregular shape to a height 4.5 m. The box has a speed 12.3 m/s when it starts up the hill, the same time that you brake. It then rises up to the top (with no friction) before immediately falling off a sheer cliff to the ground (with no drag). (a) What is the speed of the box at the top of the...
OSCOLPHYS2016 5.1.P.018. MY NOTES A contestant in a winter games event pushes a 53.0 kg block...
OSCOLPHYS2016 5.1.P.018. MY NOTES A contestant in a winter games event pushes a 53.0 kg block of ice across a frozen lake as shown in the fiqure. -125°F The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (a) Calculate the minimum force F (in N) he must exert to get the block moving (b) What is its acceleration (in m/s) once it starts to move, if that force is maintained? m/s2
A contestant in a winter games event pushes a 52.0 kg block of ice across a...
A contestant in a winter games event pushes a 52.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (Assume A = 25°) (a) Calculate the minimum force F(in N) he must exert to get the block moving. 38.35 Did you draw a free-body diagram and identify the forces acting on the system? N (b) What is its acceleration (in...
QUESTION 3 The 1500-kg rear driving truck reaches a speed of 50 km/h from rest in...
QUESTION 3 The 1500-kg rear driving truck reaches a speed of 50 km/h from rest in a distance of 60 m up the 10-percent incline with constant acceleration. Calculate the normal force under each pair of wheels and the effective coefficient of friction between the tires and the road during this motion (Hints: the driving force from the friction of the rear wheels, not from front wheels). (20 marks) 600 mm 1500 mm 1500 mm 10
QUESTION 3 The 1500-kg...
You push a box of mass 22.6 kg with your car up to an icy hill...
You push a box of mass 22.6 kg with your car up to an icy hill slope of irregular shape to a height 4.3 m. The box has a speed 12 m/s when it starts up the hill, the same time that you brake. It then rises up to the top (with no friction) to a flat area before coming to a rest when hitting a box of mass 89 kg. The heavier box then falls off a sheer cliff...
A force of constant magnitude pushes 6.5-kg box 3.4 m up a vertical surface, as shown...
A force of constant magnitude pushes 6.5-kg box 3.4 m up a vertical surface, as shown in the figure. The coefficient of friction is 0.35 and the angle θ is 30.0°. a) Determine the work done on the box by F. b) Determine the work done on the box by the force of gravity. c) Determine the work done on the box by the normal force. d) Determine the increase in gravitational potential energy of the system of the box...
3. A worker pushes constantly downward on a box of mass 43.0 kg with a force of 230 N at an angle of 26.0° from the horizontal. The box starts from rest and moves across a level floor for a distance of 3.66 m. The coefficient of kinetic friction is -0.384 230 N 43.66 m a) Show that the normal force on the box is 522 N. b) Find the force of friction on the box. c) What is the...
A contestant in a winter games event pushes
a 36.0 kg block of ice across a frozen lake as shown in the figure
below. The coefficient of static friction is 0.1 and the
coefficient of kinetic friction is 0.03. (Assume θ = 22°.)
A contestant in a winter games event pushes a 36.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction...
OSCOLPHYS2016 5.1.P.018. MY NOTES A contestant in a winter games event pushes a 53.0 kg block of ice across a frozen lake as shown in the fiqure. -125°F The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (a) Calculate the minimum force F (in N) he must exert to get the block moving (b) What is its acceleration (in m/s) once it starts to move, if that force is maintained? m/s2
A contestant in a winter games event pushes a 52.0 kg block of ice across a frozen lake as shown in the figure below. The coefficient of static friction is 0.1 and the coefficient of kinetic friction is 0.03. (Assume A = 25°) (a) Calculate the minimum force F(in N) he must exert to get the block moving. 38.35 Did you draw a free-body diagram and identify the forces acting on the system? N (b) What is its acceleration (in...
QUESTION 3 The 1500-kg rear driving truck reaches a speed of 50 km/h from rest in a distance of 60 m up the 10-percent incline with constant acceleration. Calculate the normal force under each pair of wheels and the effective coefficient of friction between the tires and the road during this motion (Hints: the driving force from the friction of the rear wheels, not from front wheels). (20 marks) 600 mm 1500 mm 1500 mm 10
QUESTION 3 The 1500-kg...
You push a box of mass 22.6 kg with your car up to an icy hill slope of irregular shape to a height 4.3 m. The box has a speed 12 m/s when it starts up the hill, the same time that you brake. It then rises up to the top (with no friction) to a flat area before coming to a rest when hitting a box of mass 89 kg. The heavier box then falls off a sheer cliff...
Most questions answered within 3 hours.
-
A scientist randomly mutates the DNA of a bacterium. She then
sequences the bacterium’s daughter cells,...
asked 15 seconds ago -
A 3.15-g bullet embeds itself in a 1.17-kg block, which is
attached to a spring of...
asked 8 minutes ago -
A hawk is flying horizontally at 24.0 m/s in a straight line,
185 m above the...
asked 9 minutes ago -
Draw a Supply and Demand Graph for yourself. Now draw a dashed
line vertically down through...
asked 5 minutes ago -
1a. An aqueous solution of calcium hydroxide is
standardized by titration with a 0.116 M solution...
asked 10 minutes ago -
In response to concerns about nutritional contents of fast
foods, McDonald's has announced that it will...
asked 27 minutes ago -
A gun with inertia 5.5 kg fires a 13-g bullet at a stationary
target located 1.0...
asked 28 minutes ago -
A box contains twenty-five screws which are identical in size,
but 13 of which are copper...
asked 31 minutes ago -
“Is it possible that objectively
a product is high quality but subjectively low
quality?”
Please support...
asked 32 minutes ago -
OCHEM LAB
Why does hydration of 2-methyl-3-butyn-2-ol give the ketone,
3-hydroxy-3-methyl-2-butanone (4), rather than the aldehyde,...
asked 42 minutes ago -
A sample of gas at 15 ⁰C and 0.988 atm has a volume of 2.58
liters....
asked 49 minutes ago -
Enzymes are required in retroviruses because the genome
is not used directly as mRNA (T/F)
Please...
asked 47 minutes ago