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Forces and Motion
Page 8
Questions (4,620)
A horizontal force, F1 = 85 N, and a force, F2 = 18.4 N acting at an angle of θ to the horizontal, are applied to a block of
4 answers
asked by
Harry
8,170 views
A block of mass m is placed in a smooth-bored spring gun at the bottom of the incline so that it compresses the spring by an
5 answers
asked by
Trevor
9,324 views
Four forces of magnitude 10n 5n 4n and 6n act on an object in the directions north west east and south respectively find the
5 answers
asked by
Ben
3,673 views
A light spring having a force constant of 125 N/m is used to pull a 9.50 kg sled on a horizontal ice rink. The coefficient of
4 answers
asked by
Student B
3,653 views
Five Boys are pushing a snowball, and each is pushing with a force of 10.0N. However, each boy is pushing in a different
5 answers
asked by
Sheryl
7,511 views
A flock of geese is attempting to migrate due south, but the wind is blowing from the west at 5.4 m/s . If the birds can fly at
5 answers
asked by
Megan
3,513 views
A man is dragging a trunk up the loading ramp of a mover's truck. The ramp has a slope angle of 20.0 degrees, and the man pulls
4 answers
asked by
Tee
4,722 views
A block is at rest on an inclined plane.
63 kg µs = 0.47 èc Find the critical angle, èc, at which the block just begins to
5 answers
asked by
Jackie
3,115 views
A book weighing 29 N is placed on a table. How much support force does a table exert
on the book? Answer in units of N. (I know
4 answers
asked by
Faria
2,903 views
an athlete drops from rest from a platform 10m above the surface of a 5m deep pool. Assume that the athlete enters the water
4 answers
asked by
Linda
2,586 views
A clerk moves a box of cans down an aisle by pulling on a strap attached to the box. The clerk pulls with a force of 173.0 N at
4 answers
asked by
anonymous
7,675 views
A 3.0kg- block sits on top of a 5.0kg block which is on a horizontal surface. The 5.0-kg block is pulled to the right with a
4 answers
asked by
kle
9,523 views
A mass m = 14 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4884 N/m. The floor is
4 answers
asked by
amanda
2,235 views
You are working at a garden centre for the summer. You lift a bag of fertilizer with a force of 143 N, and it moves upward with
5 answers
asked by
dolapo
2,296 views
A massive steel cable drags a 20kg block across a horizontal, frictionless surface. A 100N force applied to the cable causes the
5 answers
asked by
Eric
9,109 views
Two forces whose resultant is 100N are perpendicular to each other. If one of them makes an angle of 60° with the resultant,
6 answers
asked by
Benita
2,143 views
Jamal pulls a 150-N sled up a 28.0 degrees slope at constant speed by a force of 100 N. Near the top of the hill he releases the
5 answers
asked by
Meme
6,148 views
The force shown in the force-time diagram in Figure P6.11 acts on a 1.4 kg object.
(a) Find the impulse of the force. (b) Find
4 answers
asked by
Elisa
5,831 views
A 100-kg box is placed on a ramp. As one end of the ramp is raised, the box begins to move downward just as the angle of
5 answers
asked by
Meme
7,180 views
Two workers are sliding 360 kg crate across the floor. One worker pushes forward on the crate with a force of 380 N while the
4 answers
asked by
John
4,056 views
A boat moves through the water with two forces acting on it. One is a 2100. N forward push by the water on the propeller, and
4 answers
asked by
lib
8,073 views
Two packing crates of masses m1 = 10.0 kg and m2 = 3.50 kg are connected by a light string that passes over a frictionless
6 answers
asked by
Elisa
5,147 views
A)A 90 kg crate is pushed at constant speed up the frictionless 34° ramp shown in the figure. What horizontal force F is
6 answers
asked by
Tsion
4,674 views
An air-conditioner unit is fastened to a roof that slopes upward at an angle of 37.0 degrees. In order that the unit not slide
5 answers
asked by
.
2,412 views
A road heading due east passes over a small hill. You drive a car of mass m at constant speed v over the top of the hill, where
7 answers
asked by
David
3,169 views
A book of mass 7 kg rests on a plank. You tilt one end of the plank and slowly increase the angle of the tilt. The coefficient
4 answers
asked by
jill
10,132 views
A force F 1 of magnitude 5.90 units acts on an object at the origin in a direction θ = 28.0° above the positive x-axis. (See
4 answers
asked by
McKynzlea
3,775 views
A 91 kg man stands on a spring scale in an elevator. Starting from rest, the eleva- tor ascends, attaining its maximum speed of
4 answers
asked by
Mariah
4,098 views
A 15 kg block is on a ramp which is inclined at 20 degrees above the horizontal. It's connected by a string to a 19kg mass which
5 answers
asked by
Ann
8,711 views
A 570 kg truck is carrying a large 1.9 kg box on its cargo deck when it starts to accelerate. If the coefficient of static
5 answers
asked by
Catherine
2,238 views
A block with mass m1 hangs from a rope that is extended over an ideal pulley and attached to a second block with mass m2 that
4 answers
asked by
joy
2,739 views
While moving in, a new homeowner is pushing a box across the floor at a constant velocity. The coefficient of kinetic friction
4 answers
asked by
Anonymous
3,490 views
A force of -9000 N is used to stop a 1500kg car traveling at 20 m/s. What braking distance is needed to bring the car to a halt?
5 answers
asked by
Bobbie
4,637 views
In an electricity experiment, a 1.30g plastic ball is suspended on a 56.0cm long string and given an electric charge. A charged
4 answers
asked by
Dib
4,721 views
I have one problem I just can't figure out, A machine in an ice factory is capable of exerting 3.30 * 10^2 N of force to pull
4 answers
asked by
Zach
3,209 views
A motorcycle (mass of cycle plus rider = 3.0 102 kg) is traveling at a steady speed of 20 m/s. The force of air resistance
4 answers
asked by
joshua
1,603 views
Two forces 4N and 5N are inclined to each other at 30°, find the resultant force by parallelogram method
10 answers
asked by
s
4,873 views
A 1200 kg car pulls an 820 kg trailer over a rough road. The
force of friction acting on the trailer is 650 N [backwards].
6 answers
asked by
Jenuson
4,899 views
A child holds a sled on a frictionless, snow-
covered hill, inclined at an angle of 33◦. If the sled weighs 56 N, find the
5 answers
asked by
Letisha
5,153 views
Bethany, who weighs 420N, lies in a hammock suspended by two ropes tied to two trees. The left rope makes an angle of 45 degrees
7 answers
asked by
John
5,549 views
Consider the 57 N weight held by two cables
shown below. The left-hand cable is horizon- tal. 57 N 52� a) What is the tension in
4 answers
asked by
scott
2,664 views
A baby elephant is stuck in a mud hole. To help pull it out, game keepers use a rope to apply a force FA, as part a of the
4 answers
asked by
Jimmy Turner
6,727 views
A student decides to move a box of books into her dormitory room by pulling on a rope attached to the box. She pulls with a
4 answers
asked by
Cindy
5,959 views
this one is kind of hard
A bicyclist can coast down a 7.0 degree hill at a steady 9.5 h^-1 km. If the drag force is proportional
13 answers
asked by
QUESTION
2,668 views
An object with mass m1=5.00 kg rests on a frictionless horizontal table and is connected to a cable that passes over a pulley
6 answers
asked by
Dee
15,537 views
The drawing shows a large cube (mass = 34 kg) being accelerated across a horizontal frictionless surface by a horizontal force
3 answers
asked by
MJ
943 views
Sally applies a total force of 71 N with a rope
to drag a wooden crate of mass 100 kg across a floor with a constant acceleration
4 answers
asked by
Jacob
2,488 views
1. A block of mass 57.1 kg rests on a slope having an angle of elevation of 28.3°. If pushing downhill on the block with a
7 answers
asked by
Cameron
4,819 views
A mover has to move a heavy sofa of mass 49.0 kg to the second floor of the house. As he pulls on the rope tied to the sofa, he
4 answers
asked by
Madison
4,521 views
a force of 200 N is exerted at an angle 30 degrees with respect to the horizontal on an object whose mass is 30kg. the
4 answers
asked by
christoper allen
1,871 views
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