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Forces and Friction
Page 4
Questions (196)
A ladder, mass 40 kg, 5 m long, is leaning against a vertical frictionless wall at
an angle of 50egrees to the vertical. It is
2 answers
asked by
Austin
609 views
An object is resting on a flat surface with a coefficient of static friction of 0.65. If the mass os the object is 14Kg, what is
2 answers
asked by
jay
592 views
a block of mass 0,5kg is attached to a spring.The spring is compressed to a distance of 0,1m .The block is released .The block
2 answers
asked by
ruby
617 views
When you're driving your 1200-kg car, you go around a corner of radius 60.8 m. The coefficient of static friction between the
2 answers
asked by
Chelsey
610 views
Three part problem cant figure out the second and third parts
(part 1 of 3) A cart loaded with bricks has a total mass of 12.9 kg
3 answers
asked by
Johnathon
623 views
A block with a mass of 126 kg is pulled with a horizontal force of F applied across a rough floor. The coefficent of friction
2 answers
asked by
cris
597 views
A box of textbooks of mass 24.8 rests on a loading ramp that makes an angle with the horizontal. The coefficient of kinetic
2 answers
asked by
Bradley
616 views
A block weighing 71.5 N rests on a plane inclined at 24.1° to the horizontal. The coefficient of the static and kinetic
2 answers
asked by
James
595 views
A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its
2 answers
asked by
Luke
581 views
1. A man pulls a 300 N object across a horizontal surface using a 100 N force applied at a 35° angle. What is the normal force?
3 answers
asked by
physics LSU
569 views
A box of mass 50.0 kg is connected to a second box with a mass of 54.0 kg. Both are sitting on a horizontal surface and the
2 answers
asked by
Anonymous
568 views
Consider a carwith front cross-sectional area of A=(1.77 ± 0.02)m^2 and a drag coefficient of C=(0.38±-0.02) moving with a
2 answers
asked by
NONEE
552 views
Three blocks of mass 10kg, 20kg, 15kg respectively are being pushed in a row on along a horizontal surface with constant
2 answers
asked by
Alex
558 views
What is the minimum work needed to push a 850 kg car 940 m up along a 9.5 degree incline?
Part A: Ignore Friction Part B: Assume
4 answers
asked by
Justin
521 views
To move a large crate across a rough floor, you push on it with a force F at an angle of 21° below the horizontal, as shown in
2 answers
asked by
HELP PLEASE
563 views
a 20 kg crate is at rest on level ground a worker begins pushing horizontally on the crate with a force 300 Newtons, but the
2 answers
asked by
Brad
541 views
a body is pulled over a surface by applying 20 Newton making an angle 60 degree with the horizontal.if the body moves with
2 answers
asked by
hanan
546 views
While you are in detention after school, your teacher tells you to slide a large, 89.7 kilogram box across the floor. The
2 answers
asked by
Drew
517 views
Which of the following scenarios would create the most friction between the two surfaces? one choice answer.
A. a shoe with a
2 answers
asked by
Anonymous
506 views
Two blocks (on top of one another), each of mass m = 2.4 kg, are pushed along the horizontal surface of a table by a horizontal
2 answers
asked by
Kellie
529 views
A cyclist is attached to a rope which is looped over a pulley (disc of mass 10kg and radius 0.5m). The rope is then
attached to a
2 answers
asked by
sam
521 views
Two boxes of mass 7.40 and 7.00 kg are in contact and are accelerated across a horizontal surface by an force of 51.49 N applied
2 answers
asked by
Mary
525 views
A uniform rigid pole of length L and mass M is to be supported from a vertical wall in a horizontal position, as shown in the
2 answers
asked by
need help
523 views
a 4 kg block is being pulled by a string at a constant speed on a surface with coeficient of kinetic friction of .3. If the
2 answers
asked by
Corey
502 views
A 50.0 kg mountain climber is rappelling down a steep mountain face. Her foot makes contact with the rock at point A. Her rope
1 answer
asked by
Karin
485 views
You want to push a 66-kg box up a 30° ramp. The coefficient of kinetic friction between the ramp and the box is 0.35. With what
2 answers
asked by
Adam
493 views
A woman wearing high-heeled shoes stands on a wooden floor. Her total weight is 480N and acts equally on each foot.
Why are marks
2 answers
asked by
lucy
516 views
A ladder of mass M and length L leans against a wall as shown. There is no friction with the wall but there is friction with the
1 answer
asked by
Jacob
496 views
Alex comes across a deep ravine. She was planning on this as she packed a 3.8 m portable telescoping extension ladder. It has a
1 answer
asked by
colcol
485 views
what force parallel to an inclined plane of height 3 meter and base 4 meter can just support a block mass 500 gram on the plane
2 answers
asked by
Adarsh
482 views
A box is held against a wall (not resting on the ground). What minimum horizontal force will JUST prevent the 5.0kg box from
2 answers
asked by
Julia
482 views
A 33.5 kg block m1 is on a horizontal surface, connected to a 6.50 kg block m2 by a massless string. The pulley is massless and
1 answer
asked by
Mary
452 views
A 10 kg block sits on a flat surface whose μs=0.60 and whose μk is 0.40
a. What horizontal force is required to get the block
2 answers
asked by
Lianne
468 views
A 275 kg piano slides 4.0 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the
3 answers
asked by
Josh
478 views
The system of blocks of masses m1=3kg and m2 = 1.80 kg are connected by a string as shown. Mass m rests on a rough surface of
1 answer
asked by
Matt
488 views
How to calculate the force required to move a 6.12Kg weight up a 10degree friction rig?
I have done experiments on the friction
2 answers
asked by
daniel
470 views
A box weighing 890N is pulled along a horizontal surface by means of a string which is at 30o above the horizontal. If the
1 answer
asked by
Dan Ira King
459 views
A ladder of mass 39.4 kg and length 2.88 m is leaning against a wall at an angle θ. The coefficient of static friction between
1 answer
asked by
James
444 views
A person must move two heavy packages over a surface level so they place a 20kg package over a 30kg package and decide to move
6 answers
asked by
Alex
451 views
a 20 N force pulls a 5kg box at a 60 degree angle above horizontal along the floor. If the Kinetic friction between contact
1 answer
asked by
Meme
453 views
If someone pushes on a box on a horizontal floor with a horizontal force of 17.8 N, but the box does not move, what is the
1 answer
asked by
George
440 views
Two blocks are attached together with a piece of string. Block #1 (3 kg) slides along a
rough horizontal surface and block #2 (2
1 answer
asked by
Angie
449 views
A ball rolls down a grassy hill and eventually comes to a stop. Select three of the reasons the ball comes to a stop.
A. Friction
1 answer
asked by
Demon
18 views
A ball rolls down a grassy hill and eventually comes to a stop. Select three of the reasons the ball comes to a stop.
1 answer
asked by
nemo
35 views
The dogsled in the image moves at a constant speed in a straight line. Which of the following is true?
Source: Pi-Lens.
1 answer
asked anonymously
21 views
a block rests on a horizontal surface. the normal force is 20N. the coefficient of static friction between the block and the
1 answer
asked by
ziyanda
22 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