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Friction
Page 7
Questions (2,294)
Consider a train that rounds a curve with a radius of 570m at a speed of 160 km/h (approximately 100 mi/h)Calculate the friction
4 answers
asked by
mert
3,560 views
Objects of masses m1 = 4.00 kg and m2 = 9.00 kg are connected by a light string that passes over a frictionless pulley as in the
4 answers
asked by
trey
801 views
A 20 kg crate is placed on a horizontal conveyor belt. The materials are such that μs = 0.6 and μk = 0.3.
(c) What is the
5 answers
asked by
Kate
2,208 views
If the coefficient of static friction for tires on a road is 0.25, at what maximum speed can a car round a level 47.5 m radius
4 answers
asked by
Diana
2,949 views
A 44.0kg seal at an amusement park slides from rest down a ramp into the pool below. The top of the ramp is 1.75m higher than
4 answers
asked by
Lisa
1,774 views
A 40 kg crate is pulled across the ice with a rope. A force of 90 N is applied at an angle of 36 degreees with the horizontal.
4 answers
asked by
Anonymous
1,310 views
What would be an ideal experiment to test how different types of surfaces affect friction?
* 1 point Two objects of equal weight
4 answers
asked by
Adonnis cREEED popcat
174 views
A 5kg mass on a horizontal platform accelerated at the rate of 0•m/s^2 when a horizontal force of 10n is applied to it
4 answers
asked by
Alimah
624 views
A crate of mass 100kg is at rest on a horizontal floor. The coefficient of static friction between the crate and the floor is
4 answers
asked by
Anon
2,303 views
In a popular amusement park ride, a rotating cylinder of radius R = 3.10 m is set in rotation at an angular speed of 4.20 rad/s,
4 answers
asked by
jojo
1,350 views
ou are helping your friend move a new refrigerator into his kitchen. You apply a horizontal force of
F = +214i − 171k N to try
3 answers
asked by
Anonymous
896 views
A 100-N mass on a horizontal table is connected to a 50.0-N hanging mass over a
frictionless pulley. The two masses are moving at
4 answers
asked by
smatha
733 views
An Olympic skier moving at 19 m/s down a 26 degree slope encounters a region of wet snow and slides 136 m before coming to a
4 answers
asked by
Madison
1,339 views
A car with its brakes locked will remain stationary on an inclined plane of dry concrete when the plane is at an angle of less
4 answers
asked by
Anon
895 views
An 60 kg skier is sliding down a ski slope at a constant velocity. The slope makes an angle of 13° above the horizontal
4 answers
asked by
Anonymous
1,203 views
An 89 N box of oranges is being pushed across a horizontal floor. As it moves, it is slowing at a constant rate of 1.20 m/s each
2 answers
asked by
Jules
953 views
An Olympic skier moving at 20.0 m/s down a 30.0 degree slope encounters a region of wet snow and slides 145 m before coming to a
4 answers
asked by
Victoria
4,193 views
A 4.0 kg block is stacked on top of a 12.0 kg block, whcih is accelerating along a horizontal table at a = 5.2 s^-2 m. Let Mu k
9 answers
asked by
QUESTION
2,393 views
A movie stunt man (mass 82.3 kg) stands on a window ledge 5.69 m above the floor. Grabbing a rope attached to a chandelier, he
4 answers
asked by
Charlie
1,748 views
A hockey puck is sliding across a frozen pond with an initial speed of 6.5 m/s. It comes to rest after sliding a distance of 7.6
4 answers
asked by
Lindsay
3,169 views
A 76 kg man starts from rest at the top of a 12.0-m long water slide that is inclined 65° with the horizontal. In sliding down,
4 answers
asked by
Stefan
136 views
A 40-kg block is dragged along a horizonatl surface by an applied force as shown. The coefficient of kinetic friction is µk =
4 answers
asked by
Joseph
1,109 views
An engineer is trying to determine the maximum speed at which a vehicle travel around the curve without skidding. She know the
3 answers
asked by
anon
1,117 views
A dockworker loading crates on a ship finds that a 25-kg crate, initially at rest on a horizontal surface, requires a 70-N
2 answers
asked by
Doug
553 views
A(n) 94 kg clock initially at rest on a horizontal
floor requires a(n) 697 N horizontal force to set it in motion. After the
3 answers
asked by
Ovidio
3,609 views
An Olympic turkey moving at 20.0 m/s down a 30.0° slope encounters a region of
wet snow and slides 145 m before coming to a
4 answers
asked by
ms
1,203 views
A 6.110 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is μs = 0.455
4 answers
asked by
lacie
1,592 views
It's a snowy day and you're pulling a friend along a level road on a sled. You've both been taking physics, so she asks what you
4 answers
asked by
Jack
4,979 views
A block of mass m1 is on top of a block of mass m2. Block 2 is connected by an ideal rope passing through a pulley to a block of
4 answers
asked by
XYZ
1,623 views
A box of books weighing 350 N is shoved across the floor of an apartment by a force of 460 N exerted downward at an angle of
4 answers
asked by
elana
678 views
The coefficients of static and kinetic friction between a 50 kg box and a horizontal surface are 0.64 and 0.17, respectively.
(a)
4 answers
asked by
Josh
895 views
You have a mass of 71 kg and are on a 51-degree slope hanging on to a cord with a breaking strength of 165 newtons. What must be
4 answers
asked by
kelly
1,960 views
A 1.00e2kg crate is being pushed across a horizontal floor by a force of P that makes an angle of 30.0 degrees below the
3 answers
asked by
Natasha
691 views
a force of 20n applied parallel to the surface of a horizontal table is just sufficient to make a block of mass 4.kg move on the
3 answers
asked by
fawaz
525 views
You are pushing a 30-kg wooden crate across the floor. The force of sliding friction on the cate is 90 N. How much force, in
6 answers
asked by
Sharon
3,401 views
A string is tied to a 4.4 kg block and a 120 g hanging bucket. students add 20 g washers one at a time to the bucket. the
4 answers
asked by
Luis
1,926 views
The alarm at a fire station rings and a 87-kg fireman, starting from rest, slides down a pole to the floor below (a distance of
4 answers
asked by
Julius
1,534 views
A block is dragged at constant velocity in a straight line path across a level surface by force of 6 N.
What is the friction
3 answers
asked by
ellen
1,555 views
You push a 2.0 kg block against a horizontal spring, compressing the spring by 15 cm. Then you release the block, and the spring
4 answers
asked by
Meghan
4,091 views
In Figure 8-34, a 1.2 kg block is held at rest against a spring with a force constant k = 695 N/m. Initially, the spring is
4 answers
asked by
Holy Grail
1,624 views
You pushed a 1 kg box on floor where= 0.3. If the force you applied was 5 N, will the box move?
m = 1kg u= 0.3 Fapp= 5 N Ff=
4 answers
asked by
Lena
553 views
A Stubborn, 120 kg mule sits down and refuses to move. To drag the mule to the barn, the exasperated farmer ties a rope around
4 answers
asked by
Anonymous
2,541 views
A 76-kg skateboarder grinds down a hubba ledge that is 2.5 m long and inclined at 22 ∘ below the horizontal. Kinetic friction
3 answers
asked by
jacob
446 views
A 36-N force, parallel to the incline, is required to push a certain crate at a velocity of 9.1 up a frictionless incline that
3 answers
asked by
mohammed
1,254 views
A box of books weighing 314 N is shoved across the floor by a force of 475 N exerted downward at an angle of 35° below the
4 answers
asked by
John Miller
1,545 views
What must be the magnitude of the force
of static friction between the surface and the bottom of the crate?
4 answers
asked by
Anonymous
957 views
A mass m = 11.0 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4979.0 N/m. The floor is
3 answers
asked by
hater of physics
1,064 views
If the coefficient of kinetic friction is 0.25 , how much horizontal force is needed to pull each of the following masses along
2 answers
asked by
Melissa
894 views
In Fig. 6-21, a slide-loving pig slides down a certain 37° slide in twice the time it would take to slide down a frictionless
4 answers
asked by
Ted
2,268 views
The coefficient of static friction between the 3.00 kg crate and the 35.0 degree incline is .300. What minimum force must be
4 answers
asked by
Dee
4,697 views
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