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Forces and Friction
Page 3
Questions (196)
A sled is pulled across a horizontal snow surface with a constant velocity. The force being applied is 80 N at an angle of 53
3 answers
asked by
PH
2,920 views
Search: The figure shows three crates being pushed over a concrete floor by a horizontal force of F magnitude 440 N. The
3 answers
asked by
Sarah
1,976 views
you find it takes 200N of horizontal force to move an empty pickup truck along a level road at a speed of 2.4m/s. you then load
5 answers
asked by
ashley
1,567 views
1. A horse is harnessed to a sled having a mass of 231 kg, including supplies. The horse must exert a force exceeding 1250 N at
3 answers
asked by
Ricky
1,501 views
diagram:
big triangle mass m with the square angle bottom left and angle theta bottom right.no frition with the horizontal
5 answers
asked by
Anonymous
1,374 views
A block is pressed against a vertical wall by a force , as the drawing shows. This force can either push the block upward at a
3 answers
asked by
bill
1,392 views
A platform that rolls on wheels and has inertia mp is attached to a wall by a horizontal spring of spring constant k. A load of
3 answers
asked by
Omar Wilson
1,353 views
A 1200 -kg car is pushing an out-of-gear 2100 -kg truck that has a dead battery. When the driver steps on the accelerator, the
3 answers
asked by
Amily
1,365 views
A 3.5 kg block is pushed along a horizontal floor by a force of magnitude 15 N at an angle 40° with the horizontal (Fig. 6-19).
2 answers
asked by
Carmen
1,337 views
A straight path is inclined at an angle of 15 degree to the horizontal. A loaded skip of total mass 1500 kg is at rest on the
5 answers
asked by
Josep
1,258 views
A block of mass M rests on a block of mass M1 = 5.00 kg
which is on a tabletop. A light string passes over a frictionless peg and
3 answers
asked by
mike
1,199 views
HELP! I'm doing a webassign, and am completley lost on these problems. If you could help with any, that would be great.
A crate
1 answer
asked by
Tom
1,091 views
An 9.0 m, 210 N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground
4 answers
asked by
laurie
1,116 views
A ladder (L = 7.80 m) of weight WL = 360 N leans against a smooth vertical wall. The term "smooth" means that the wall can exert
2 answers
asked by
Dee
1,044 views
a recent study of how mice negotiate turns, the mice ran around a circular 90 degree turn on a track with a radius of 0.15 m.
1 answer
asked by
CodyJinks
963 views
A student presses a book between his hands. The forces that he exerts on the front and back covers of the book are perpendicular
3 answers
asked by
Anonymous
982 views
The 1.1 kg physics book is connected by a string to a 250 g coffee cup. The book is given a push up the slope and released with
1 answer
asked by
Zach
945 views
A ladder of length 5m has mass of 25 Kg. the ladder is leaned against a frictionless vertical wall at an angle of 10 degrees
3 answers
asked by
sand
909 views
A uniform ladder weighing 197 N is leaning against a wall. The ladder slips when θ = 63.0°. Assuming that the coefficients of
2 answers
asked by
Physics
870 views
A ladder can fall for two reasons. If it is set too steep and the climber gets their mass to the left of the ladder's base, the
2 answers
asked by
joe
838 views
A student, crazed by final exams, uses a force P of magnitude 80 N to push a 4.0 kg block across the ceiling of his room. If the
2 answers
asked by
Lily
831 views
A block sits against a vertical wall and a 120 lb force P acts diagonally to the left on the block at an angle below the
3 answers
asked by
Jessi
823 views
A box of books weighing 280 N is shoved across the floor of an apartment by a force of 390 N exerted downward at an angle of
2 answers
asked by
luc
833 views
Consider the figure below. (Let w1 = 150 N and w2 = 38.0 N.)
(a) What is the minimum force of friction required to hold the
3 answers
asked by
Kali
1,359 views
In a circus performance, a monkey on a sled is given an initial speed of 4.0 m/s up a 32° incline. The combined mass of the
1 answer
asked by
Savanna A.
813 views
A)A 100kg person is riding a 10kg bicycle up a 25degree hill. The hill is long and the coefficient of static friction is 0.9.
3 answers
asked by
Alex
855 views
Two blocks connected by a rope of negligible mass are being dragged by a horizontal force F (Fig. P5.45). Suppose that F = 75.0
1 answer
asked by
Ali
789 views
*I really don't know how to get started. I have done lots of the homework, but this one (and a couple of others) are really
1 answer
asked by
John
797 views
A 2.00 kg aluminum block and a 5.20 kg copper block are connected by a light string over a frictionless pulley. They sit on a
2 answers
asked by
blair
808 views
Assume the sleigh and horse pulling it are on a level, horizontal surface.
Given: mass of sleigh 475 kg / force of horse pulling
3 answers
asked by
Billy
781 views
A box slides down a 30.0 degree ramp with an acceleration of 1.20 m/s^2. Determine the coefficient of kinetic fiction between
1 answer
asked by
physics
797 views
At the beginning of a new school term, a student moves a box of books by attaching a rope to the box and pulling with a force of
2 answers
asked by
B
807 views
A small box is held in place against a rough vertical wall by someone pushing on it with a force directed upward at 28∘ above
1 answer
asked by
Navi
749 views
A 50 kg uniform ladder, 5.0 m long, is placed against a smooth wall at a height of h = 3.7 m. The base of the ladder rests on a
2 answers
asked by
george
770 views
(II) Two crates, of mass 75 kg and 110 kg, are in contact and at rest on a horizontal surface. A 620-N force is exerted on the
1 answer
asked by
abcdefg
714 views
a spring lies on a horizontal table, and the left end of the spring is attached to the wall. the other is connected to a box.
1 answer
asked by
Anonymous
735 views
A man pulls a 300N object across a horizontal surface using a 100 N force applied at a 35 degree angle. What is the normal
3 answers
asked by
Nontraditional Student
722 views
Two crates, of mass m1 = 80 kg and m2 = 115 kg, are in contact and at rest on a horizontal surface. A 620 N force is exerted on
1 answer
asked by
DJS
706 views
A box of books weighing 337 N is shoved across the floor by a force of 467 N exerted downward at an angle of 35° below the
1 answer
asked by
Anonymous
684 views
The person in the drawing is standing on crutches. Assume that the force exerted on each crutch by the ground is directed along
1 answer
asked by
ben
681 views
A block of mass is pulled along a rough horizontal surface by a rope as sketched in the figure below. The tension in the rope is
1 answer
asked by
Sierra
678 views
A 32 kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 23.2° the crate
2 answers
asked by
Bobby C
658 views
A mass m = 17.0 kg is pulled along a horizontal floor with NO friction for a distance d =5.1 m. Then the mass is pulled up an
2 answers
asked by
mohamed
664 views
A 10.0-kg block is at rest on a horizontal floor. If you push horizontally on the 10.0-kg block with a force of 20.0 N, it just
2 answers
asked by
melad
667 views
Two objects are in contact on a frictionless surface. A horizontal force is applied to one object as shown in the figure below.
2 answers
asked by
Natasha
651 views
A uniform ladder of mass 46 kg and 3.0 m in length is leaning against a frictionless vertical wall at an inclination of 60
1 answer
asked by
Bren
630 views
2.0 kg block is pushed 1.0 m at a constant velocity up a vertical wall by a constant force applied at an angle of 28.0° with
1 answer
asked anonymously
44 views
A 7.68 m, 132 kg uniform ladder rests against a smooth wall. The coefficient of static fric- tion between the ladder and the
3 answers
asked by
Youthers
606 views
A block of a mass of 1 kg rests on the inclined surface of a wedge of a mass of 2.2 kg. The wedge is acted upon by a horizontal
1 answer
asked by
alexa
609 views
I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking.
2 answers
asked by
Jose
617 views
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Parent Categories (12)
Classical mechanics
Force and Motion
Kinematics
Kinematics and Dynamics
Mechanics
Mechanics / Motion
Motion
Motion and Forces
Newton's Laws of Motion
Physics
Physics and Mechanics
Static equilibrium