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Forces and Motion
Page 3
Questions (4,623)
A train with a mass of 120Mg accelerates uniformly on a horizontal track. the resistance to movement is 5N per KN of the mass of
1 answer
asked by
Thabiso
488 views
The rotor is an amusement park ride where people stand against the inside of a cylinder. Once the cylinder is spinning fast
4 answers
asked by
JP
1,893 views
A bridge is 40.0 m. A car weighs 1.5 x 10^4 N and it is parked with its center of gravity located 12.0 meters from the right
2 answers
asked by
Hester
525 views
If a force of 80newton stretches a spring 0.3cm, find the elastic constant.
3 answers
asked by
Ajibola
468 views
Two movers are attempting to push a couch up a ramp. One mover applies a force of 80 N forward, but the force of friction is
1 answer
asked by
MOM
205 views
When you trip, your foot stops, but your body continues to move forward. Which statement best explains why this happens? (1
1 answer
asked anonymously
54 views
What can be done to improve the efficiency of a ramp?(1 point)
Responses Add a rough surface. Add a rough surface. Insulate the
1 answer
asked by
Destinee
28 views
1. Harry is pushing a car down a level road at 2.0m/s with a force of 243N. The total force acting on the car in the opposite
4 answers
asked by
Jessie
3,153 views
1. a force of 250N is used to push a heavy box down the street. If the force of friction between the box and the street is 195N
4 answers
asked by
Jessie
2,534 views
What is the significance of the fact that both the horizontal force and motion are both forwards?
4 answers
asked by
Diane
800 views
6.Two cars with different masses travel at the same speed down a hill toward a stop sign. What will happen when both cars apply
5 answers
asked by
Sanic fest speds :D
4,583 views
two force act on a point object as follows: 100n at 170 and 100n at 50. find the resultant force
5 answers
asked by
ugo
6,162 views
A car m = 1850 kg is traveling at a constant speed of v = 30 m/s. The car experiences a force of drag (air resistance) of Fd =
4 answers
asked by
carlo
8,076 views
A 1155-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1915-N crate
2 answers
asked by
michelle
633 views
When a force of 50n is applied to the free end of an elastic cord ,an extensioncord,calculatethe work done on the cord
2 answers
asked by
Harrison oluwatomi
134 views
A crate weighing 600. N is being pulled across the floor. You pull up and to the right on a rope which is attached to the crate.
2 answers
asked by
Paige
756 views
A city planner is working on the redesign of a hilly portion of a city. An important consideration is how steep the roads can be
4 answers
asked by
Haley
1,738 views
Anne exerts a force of 34.1 n to pitch a softball she moves the ball 1.8 meters before releasing it. what amount of work did
4 answers
asked by
:)
553 views
A force of 50 N directed at an angle of 45 degrees from the horizontal pulls a 70 kg sled across a frictionless pond. The
3 answers
asked by
Chad
1,374 views
A hill is inclined 15 degrees to the horizontal. A 40-foot pole stands at the top of the hill. How long a rope will it take to
3 answers
asked by
Lyndsie
1,461 views
A toy rocket has a mass of 350 g at launch. The force it produces is 15N and it is fired at an angle of 65 to the horizontal.
Wha
1 answer
asked by
Nageeye
116 views
The diagram shows two girls pushing on a box with equal and opposite forces.
Which statement best describes the forces required
4 answers
asked by
Anonymous ;)
272 views
You push downward on a box at an angle 25° below the horizontal with a force of 750 N. If the box is on a flat horizontal
7 answers
asked by
gzag
8,478 views
Alan will use a compound pulley to create a lift from the floor of his garage to a storage shelf. the shelf is 3.5 meters above
4 answers
asked by
?
560 views
Given that the weight of an object was 20N taking acceleration due to the gravity as 10N/kg calculate its mass
3 answers
asked by
Frank Kadango
315 views
a worker pushing a wheelbarrow of mass 50 kg with a constant velocity along a horizontal surface whose coefficient of friction
1 answer
asked by
Usop
345 views
Which property of an object is the result of gravity
1 answer
asked anonymously
57 views
Question
In which situation are unbalanced forces acting on an object?(1 point) Responses Two people stand on opposite sides of a
1 answer
asked by
sebastian chapa
257 views
If you have an unbalanced force that means that the object is doing what?
3 answers
asked by
Carter regnier
90 views
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.860 m/s encounters a rough horizontal surface of length = 0.65 m
4 answers
asked by
ann
9,872 views
A picture frame hung against a wall is suspended by two wires attached to its upper corners. If the two wires make the same
1 answer
asked by
tina
810 views
a 5 kg concrete block accelerates down a 34 degree slope at 4.2m/s^2. Find the coefficient of friction between the block and the
4 answers
asked by
slien
2,308 views
A donkey pulls a cart(c) with a mass of 240kg, attached to a log of wood(w), with a mass of 80kg on a horizontal road. W is tied
5 answers
asked by
Taryn
1,204 views
1. Two tugboats pull a barge across the harbor. one boat exerts of force of 7.5 x 10^4 N North, while the second boat exerts a
4 answers
asked by
Zoomba21
2,349 views
A sail boat is acted upon a water by a current and the wind. The velocity of the wind is 16km/h from the west, and the veolocity
3 answers
asked by
Camille
643 views
During heavy rain, a section of a mountainside measuring 2.5 km horizontally, 0.80 km up along the slope, and 2.0m deep slips
3 answers
asked by
Mike
2,339 views
i posted this earlier but got a confusing answer so pls help as best as u can asap!
True or False 1. If a 40 kg person is
25 answers
asked by
TTR+S<3
4,051 views
If a force gives a 2-kg object an acceleration of 1.6 m/s2, what acceleration does this same force give to an 8-kg object?
4 answers
asked by
maria
4,297 views
A 10-kg crate on a ramp is inclined at 30 degrees from the horizontal and released. The coefficients of friction between them
2 answers
asked by
Anonymous
611 views
A car travels around a circular turn of radius 50 meters while maintaining a constant speed of 15 m/s.
Find the minimum value for
2 answers
asked by
Ryan
603 views
A moving 1.60 kg block collides with a horizontal spring whose spring constant is 295 N/m. The block compresses the spring a
6 answers
asked by
rory
5,513 views
A boat that travels at 16 knots in calm water is sailing across a current of 3 knots on a river 250 m wide. The boat makes an
3 answers
asked by
Natalie
777 views
The 1800 kg tractor exerts a force of 1.75 104 N backward on the pavement, and the system experiences forces resisting motion
4 answers
asked by
Physics Help!
4,238 views
Lara flies a helicopter over the well and drops a rope to measure her height above it. Exactly 125 m of rope is all she needs to
2 answers
asked by
Asmaa
166 views
dockworker applies a constant horizontal force of 80.0N to a block of ice on a smooth horizontal floor. thhe block starts from
2 answers
asked by
Lesego
810 views
An aircraft travels at 250km/h in still air. If a wind of 50km/h blows steadily from the southwest and the pilot wishes to fly
2 answers
asked anonymously
178 views
An empty weather balloon with a mass of 5kg has a radius of 2.879m when fully inflated with helium. It is supposed to carry a
2 answers
asked anonymously
118 views
find the resultant of two forces a b at magnitude10n and 15n respectively acting at a point o at angle of55 also deduce the
2 answers
asked anonymously
103 views
A sail boat is crossing a river of width 43.3 meters, sailing at 17.9 m/s vertically across the river. If a cross wind of 6.0
2 answers
asked by
111jps
147 views
Give your answer accurate to 3 decimal places.
A man on a dock is pulling in a boat by means of a rope attached to the bow of the
2 answers
asked anonymously
221 views
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