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Newton's Laws of Motion
Page 6
Questions (2,968)
Two horizontal forces, F1-> and F2-> , are acting on a box, but only F1->is shown in the drawing. F2-> can point either to the
4 answers
asked by
Randy
9,729 views
The same net force is applied to two bodies. The first body acquires half of the acceleration of the second body. What is the
7 answers
asked by
trinnity
5,177 views
A 1300 kg car is traveling along a straight road at 20 m/s. Two seconds later its speed is 24 m/s. What is the magnitude of the
5 answers
asked by
falcon306
3,077 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
5,954 views
The masses of blocks A and B are 4.5 kg and 3.7 kg respectively. The blocks are initially at rest and are connected by a
4 answers
asked by
Nickoli
2,681 views
Water falls without splashing at a rate of 0.220 L/s from a height of 2.20 m into a 0.720 kg bucket on a scale. If the bucket is
5 answers
asked by
jessi
6,170 views
The horizontal surface on which the block of mass 5.1 kg slides is frictionless. The force of 62 N acts on the block in a
4 answers
asked by
Kylie
4,111 views
To hoist himself into a tree, a 66.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch
4 answers
asked by
zay
3,772 views
Suppose that in the same Atwood setup another string is attached to the bottom of m1 and a constant force f is applied,
5 answers
asked by
Rachel
5,069 views
A 150 kg body is at rest and covers the constant force needed to impart a velocity of 8m/s to it in 5s.
6 answers
asked by
Wilsmister
2,057 views
A car is towing a boat on a trailer. The driver starts from rest and accelerates to a velocity of +14 m/s in a time of 25 s. The
4 answers
asked by
Justin
2,250 views
If the rope pulling on the leg exerts a 120-N force on it, how massive should be the block hanging from the rope that passes
4 answers
asked by
Joseph
1,230 views
A 6.0 kg object undergoes an acceleration of 2.0 m/s2.a. What is the magnitude of the net force acting on the object?b. If this
4 answers
asked by
Melissa
7,094 views
A bucket of mass M = 5.47 kg is attached to a second bucket of mass m = 3:52 kg by an ideal string. The string is hung over an
5 answers
asked by
Sarah
2,632 views
two blocks of masses m1=4.5 kg and m2=6.5 kg resting on a frictionless surface are connected by a light inextensible cord. A
4 answers
asked by
Prince Sparks JM
3,983 views
a 10-kg block on a perfectly smooth horizontal table is connected by a horizontal string to a 63-kg block that is hanging over
6 answers
asked by
Anonymous
13,206 views
A 3.5 kg block is pushed along a horizontal floor by a force of magnitude 15 N at an angle è = 40° with the horizontal. The
6 answers
asked by
Don
18,898 views
Two boys stand on the surface of a frozen lake where μs = 0.15 and μk = 0.10. The 30.0 kg boy shoves the 40.0 kg boy with a
5 answers
asked by
Mush
2,209 views
A grocery sack can withstand a maximum of 230 N before it rips. will a bag holding 15 kg of groceries that is lifted from the
5 answers
asked by
janelle
4,989 views
Two children pull a third child on a snow saucer sled exerting forces
F1 and F2 as shown from above in Figure 4.36. Find the
4 answers
asked by
Mohanad
6,182 views
Two hockey players strike a puck of mass 0.159 kg with their sticks simultaneously, exerting forces of 1.30 103 N, directed
4 answers
asked by
pete
2,314 views
When a jet lands on an aircraft carrier, a hook on the tail of the plane grabs a wire that quickly brings the plane to a halt
4 answers
asked by
Anonymous
5,889 views
A 257kg motor cycle and rider accelerate from rest and reach a velocity of 20 meters per second west. The motor cycle wheels
5 answers
asked by
Bongiwe
1,656 views
If a force of 15.0 N directed east acts on a stationary 5.00 kg mass, what are its acceleration, displacement, and velocity
4 answers
asked by
Tomomi
2,174 views
A 4 kg block is pushed along the ceiling with a constant applied force of 85 N that acts at an angle of 55 degrees with the
6 answers
asked by
Christy
7,211 views
A 975 kg car accelerates from rest to 26.7 m/s in a distance of 120 m. What is the magnitude of the average net force acting on
4 answers
asked by
Mzimalo
3,790 views
An unfortunate astronaut loses his grip during a spacewalk and finds himself floating away from the space station, carrying only
4 answers
asked by
Kyle
9,586 views
An inventive child named Chris wants to reach an apple in a tree without climbing the tree. Sitting in a chair connected to a
4 answers
asked by
Amelia
7,910 views
Block M = 7.50 kg is initially moving up the incline and is increasing speed with
a = 3.82 m/s2 . The applied force F is
4 answers
asked by
waqas
4,273 views
The red box has a mass of 20.1 kg and the blue box has a mass of 14.5 kg and the force is 290 N. To the nearest tenth of a m/s2
4 answers
asked by
Tiff
2,617 views
What acceleration is produced by a force of 250N acting on a mass of 25KG?
7 answers
asked by
Rethabile
1,799 views
A 0.2 kg sponge is dropped from rest , pulled down by gravity. How fast will it be traveling in 6.0s , if a 0.5 N force of air
5 answers
asked by
Isabella
2,321 views
how will you examine the relationship between acceleration and mass when you change the mass of an object while applying the
4 answers
asked by
hannah
812 views
in a tug of war a jeep of a mass 1400kg and a tractor of a mass of 2000kg pull on a horizontal rope in opposite directions. at
7 answers
asked by
jack
1,336 views
A 800 N crate is being pulled across a level floor by a force F of 320 N at an angle of 29° above the horizontal. The
4 answers
asked by
Bridge
4,651 views
A small weather rocket weighs 14.7 N. The rocket is carried up by a balloon. The rocket is
released from the balloon and fired,
4 answers
asked by
Anonymous
5,011 views
Two crewmen pull a boat through a lock, as shown in the figure. One crewman pulls with a force of F1 = 145 N at an angle of θ =
4 answers
asked by
Anonymous
2,555 views
Three blocks on a frictionless surface are connected by massless strings, with M1 = 1.40 kg, M2 = 2.40 kg, and M3 = 3.60 kg. Due
5 answers
asked by
Carly
4,015 views
a device has a 100g wooden shuttle that is pulled along a square woooden rail by an elastic band. the shuttle is released when
4 answers
asked by
vicki
1,592 views
A 2.13 kg mass is suspended from a string which is pulled upward. The mass accelerates upwards with an acceleration of 3.10m/s2.
4 answers
asked by
Jack
1,098 views
Two ice skaters stand facing each other at rest on a frozen pond. They push off against one another and the 48-kg skater
4 answers
asked by
mathew
9,315 views
Running into the train at that speed would severely damage both train and passengers. Calculate the minimum time Superman must
6 answers
asked by
katie(again same question diff parts)
4,185 views
What is the normal force when a 40 kg person jumps and is accelerating at 3 m/s2 upward while in contact with the ground?
4 answers
asked by
Naren
1,985 views
two masses m1=400.g and m2 =600.g are connected with a light string which goes over a frictionless pulley of negligible mass.
4 answers
asked by
EMMA
2,844 views
A 0.5 kg soccer ball is kicked with a force of 50 Newtons for 0.2 sec. The ball was at rest before the kick. What is the speed
5 answers
asked by
karen
4,947 views
A uniform meter stick with a mass of 210 g is supported horizontally by two vertical strings, one at the 0 cm mark and the other
5 answers
asked by
Eliza
3,421 views
Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over a frictionless,
3 answers
asked by
Emily
1,919 views
For the normal force exerted on the book by the wedge in the diagram, which force(s) complete(s) the force pair for Newton’s
4 answers
asked by
kurtis
1,936 views
Net force F causes mass m1 to accelerate at rate a. A net force of 3F causes mass m2 to accelerate at rate 2a. What is the ratio
6 answers
asked by
bob
5,415 views
if a person is pushing a cart with a force of 40 Newtons and it accelerates at 0.5 m/s2 , what is the mass of the cart ?
5 answers
asked by
ariel
3,588 views
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