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Newton's Laws of Motion
Page 10
Questions (2,968)
A 38.5 kg girl and a 57.0 kg boy are on the surface of a frozen lake, 10.0 m apart. Using a rope, the girl exerts a horizontal
2 answers
asked by
kay
615 views
a force of 20 N gives an object an acceleration of 5 m/s2. (a)What force would be needed to give the same object an acceleration
3 answers
asked by
tracey
1,496 views
A block (mass m1 = 8kg) is moving on an inclined plane, coefficient of kinetic friction of 0.45, whose angle is 30degrees. This
3 answers
asked by
Anonymous
1,310 views
A 20 kg mass is allowed to accelerate down a frictionless 15° ramp.
a. Determine the value of the x-component of the force
3 answers
asked by
Anonymous
2,824 views
A rocket expels gases at a rate of 1.30 x 10^3 kg/s with a speed of 3.00 x 10^4 m/s. What is the force
exerted on the rocket?
5 answers
asked by
HELP
1,752 views
Joshua has a mass of 60kg and stands next to a wall ona frictionless skateboard. If he pushes the wall with a force of 30N, how
3 answers
asked by
Jennie
2,627 views
two people are pushing a car of mass 2000kg. if they each push with a force of 320N at an angle of 15degrees to each side of the
3 answers
asked by
cynthia
1,633 views
A particle with mass m = 3.80 kg accelerates according to
a = (−2.70i + 1.90j) m/s2. What is the magnitude of this force?
2 answers
asked by
Anonymous
194 views
A 5.6-kg object is acted on by two forces. One of the forces is 11 N acting toward the east. What is the other force if the
3 answers
asked by
Bapat
908 views
A constant force acts on a 5.0kg scooter and reduces its velocity from 7.0m/s to 3.0m/s in 3.00s. What is the net force on the
3 answers
asked by
nana
402 views
Does a couch of mass 750 kg move on a carpeted floor with μs = 0.33 and μk = 0.22, if it is pushed with a force of 400N?
4 answers
asked by
sky
457 views
When taking a penalty kick a footballer applies a force of 30N for a period of 0.05s if the mass of the ball is 0.075kg,
4 answers
asked by
Haneef
1,051 views
An object accelerates 3.0 m/s2 when a force of 6.0 Newtons is applied to it. What is the mass of the object?
4 answers
asked by
skyler
1,569 views
A 2.9-kg bucket is lifted upward with a force of 46N against the force of gravity. Calculate it’s upward acceleration,
3 answers
asked by
Zak
952 views
A wodden block weighing 200 g is attached to a hanging weighing 45 g with a fine thread . The block is placed on a frictionless
6 answers
asked by
Muskaan
2,378 views
an 8 kg and a 16 kg block are suspended at opposite ends of a cord passing over a pulley. compute (a) acceleration of the system
3 answers
asked by
doflamingo
845 views
A box is suspended by a string from the ceiling of an elevator. The string supports the box with a force of
17.0 N when the
3 answers
asked by
Anonymous
4,796 views
A loudspeaker of mass 16.0 kg is suspended a distance of h = 2.00 m below the ceiling by two cables that make equal angles with
3 answers
asked by
kitt
2,289 views
A ball of mass 0.50 kg is thrown vertically upwards, calculate the net force on the ball at the top of its flight
3 answers
asked by
Duy
546 views
A history book that weighs 30 N is placed on top of a literature book that weighs 10 N. If up is considered the positive
3 answers
asked by
Priyen
571 views
A 200-kg rock is being pulled upward with an acceleration of 3 m/s2. The net force on the rock is
3 answers
asked by
Anonymous
732 views
a 2.00kg object A is connected with a massless string across a massless, frictionless pulley to a 3.00kg object B. the smaller
3 answers
asked by
EMMA
1,502 views
A box has a mass of 0.220 kg. It is on a very smooth (frictionless) horizontal surface and is acted upon by a force of 2.36 N at
2 answers
asked by
jacquie
1,084 views
Explain using newtons first law why traveling car using a rope is dangerous compared using a steel car
3 answers
asked by
bohlale
530 views
55 kg boy and a 37 kg girl use an elastic rope
while engaged in a tug-of-war on a frictionless icy surface. If the acceleration
3 answers
asked by
Natalie
465 views
a black of mass 92 kg and volume 0.031 lies at the bottom of the sea how much force is needed to lift it ? take 1.03*10^3 kg/m
4 answers
asked by
eman
1,935 views
Two blocks are connected by a string and are pulled vertically upward by a force of 165 N applied to the upper block.
(here is a
3 answers
asked by
Wes
1,961 views
a net force of 3.50 N acts on a 2.75 kg object. what is the acceleration of the object?
3 answers
asked by
Janet
1,697 views
In the figure below, m1 = 3.8 kg, m2 = 5.2 kg, and the coefficient of kinetic friction between the inclined plane and the 3.8-kg
3 answers
asked by
Tara
565 views
A train consists of 50 cars, each of which has a mass of 7.2 × 103 kg. The train has an acceleration of +7.2 × 10-2 m/s2.
3 answers
asked by
StressedStudent
1,064 views
you are sitting at rest in a chair. a)what is the net force on you? b)what forces act on you?
3 answers
asked by
lisa
1,371 views
find the force of gravity between 74.0kg physics students that are sitting 85.0 cm apart
4 answers
asked by
Anonymous
1,420 views
Two carts ( a's mass = 4.5 kg and b's mass = 1.5 kg) are held against a strong compressed string. The carts are released
3 answers
asked by
Aubbie
1,664 views
(hrwc5p72) A mass m2 = 2.4 kg, on a 37.4° incline, is connected to a mass m1 = 6.9 kg, on a horizontal surface. The surfaces
3 answers
asked by
Lyndsey
510 views
In the movie Superman, Lois Lane falls from a building and is caught by the diving superhero. Assuming that Lois, with a mass of
4 answers
asked by
Anonymous
1,964 views
If the 1 kg standard body has an acceleration of 2.00 m/s2 at 20.0° to the positive direction of an x axis, what are (a) the x
5 answers
asked by
Anonymous
3,801 views
Two steel blocks are at rest on a frictionless horizontal surface. Block X has a mas of 3.0 kg ans is attacthed by means of a
3 answers
asked by
Lena
910 views
Newton's _____ law explains why my hands hurt when I clap loudly.
1st 2nd 3rd
3 answers
asked by
Alie
571 views
A loaded elevator with very worn cables has a total mass of 1800 kg and the cavles can withstand a maximusm tension of 28000N a)
3 answers
asked by
Chris
1,504 views
a strong magnet attracts a paper clip to itself with a certain force. Does the paper clip exert a force on the strong magnet? If
3 answers
asked by
michael
1,367 views
according to Newton's First Law, what potential impact can an unbalanced force have on an object in motion?
1.An unbalanced force
3 answers
asked by
iammmmasecretttt
223 views
what change in velocity would be produced by an unbalanced force of 2.0 x 10^4N acting for 6.0s on a 2000 kg dragster
4 answers
asked by
Mikey
351 views
According to Newton’s first law, what must be true of a force for it to stop an object in motion? (1 point)
o The force acting
10 answers
asked by
Goodgirl
1,901 views
276-kg glider is being pulled by a 1 950-kg jet along a horizontal runway
with an acceleration of aS 5 2.20 m/s2 to the right as
3 answers
asked by
shimels
959 views
150n sled is pulled by 28° slope with constant speed by 100n force. What is the cofficent of kinatic friction slead and the
3 answers
asked by
Anonymous
458 views
A horizontal force of 0.80N is required to pull a 5kg bullet across a table top at a constant speed. With the block initially at
4 answers
asked by
Joel
1,736 views
A elevator is rated at 25.0 kW. At what speed could the motor lift an 850 kg elevator with three passengers whose masses are
3 answers
asked by
Mason
728 views
If You weigh 690 N.
What would you weigh if the Earth were six times as massive as it is and its radius were four times its
4 answers
asked by
aquead
1,309 views
When you drop a 0.39 kg apple, Earth exerts a force on it that accelerates it at 9.8 m/s^2 toward the earth's surface. According
3 answers
asked by
Joe
653 views
I need some one to check my work. plz:)
What is the force required to accelerate 1 kilogram of mass at 1 meter per second per
2 answers
asked by
MMSanta
959 views
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