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Newton's Laws of Motion
Page 7
Questions (2,968)
Calculate the force on a mass of 10kg placed on the earth's surface ( radius of earth = 6.4*10^6m and mass of earth =6.0*10^24kg
6 answers
asked by
lotus
1,445 views
2. The following formula relates three quantities: Force (F), mass (m), and acceleration (a).
F = ma a. Solve this equation for
4 answers
asked by
Anonymous
2,295 views
a 3.6 kg object is accelerated from rest to a speed of 34.4 m/s in 42 s. What average force was exerted on the object during
4 answers
asked by
Lynn
2,361 views
A mass m1 = 18.7 kg on a frictionless ramp is attached to a light string. The string passes over a frictionless pulley and is
5 answers
asked by
lissa
2,534 views
A person of mass 65 kg is ascending on an escalator at a constant velocity of 2.5 m/s [22°above the horizontal]. Why The
4 answers
asked by
oksana
1,074 views
A car of mass 600 kg is travelling at 10m/s. when brakes are applied, it comes to rest in 10 M.
what is the average force exerted
7 answers
asked by
Farah
2,482 views
A force acts on a 2kg mass and gives it an acceleration of 3 m/s^2. what acceleration is produced by the same force when acting
4 answers
asked by
bob
3,945 views
A loudspeaker of mass 25.0 kg is suspended a distance of 1.00 m below the ceiling by two cables that make equal angles with the
6 answers
asked by
Tina
5,307 views
1. How can the momentum of a moving object be found?
A. By multiplying its mass by its acceleration. B. By dividing its change in
4 answers
asked by
Chase
1,289 views
Two people sitting on rolling chairs with little friction push off from each other so that they move apart. On is 60 kg and one
5 answers
asked by
mssailormouth
2,221 views
A crate with a mass of (111.5) kg is lifted by a crane. If the crate is accelerating upward at (2.7) m/s2, what is the tension
4 answers
asked by
dalia
1,313 views
1.A block accelerates at 3.1 m/s2 down a plane
inclined at an angle 24.0◦. Find μk between the block and the in- clined plane.
6 answers
asked by
Casey
6,559 views
A 100 lb crate is being pushed across a wooden floor with a force of 40 lb. If mu=0.3, find the acceleration of the crate.
4 answers
asked by
Maria Ellah
2,901 views
Figure shows a block (mass ) on a smooth horizontal surface, connected by a thin cord that passes over a pulley to a second
4 answers
asked by
JEANNE
4,771 views
A student weighing 800N crouches on a scale and suddenly vertically upward. His roommate notices that the scale reads 900 N
7 answers
asked by
Raye
1,541 views
A man doing push-ups pauses in the position shown in the figure . His mass = 68 kg.
Determine the normal force exerted by the
4 answers
asked by
Nicole
986 views
I'm learning about Newton's Laws of Motions and I'm having trouble understanding these questions:
"A rear-end collision between a
5 answers
asked by
Stuck
937 views
Two forces are applied to a tree stump to pull it out of the ground. Force A has a magnitude of 2880 newtons (N) and points 42.0
4 answers
asked by
Shant
3,393 views
A locomotive is pulling 17 freight cars, each of which is loaded with the same amount of weight. The mass of each freight car
4 answers
asked by
badz
5,419 views
A heavy freight train has a mass of 14000 metric tons. If the locomotive can pull with a force of 645000 N, how long does it
4 answers
asked by
Bala
710 views
The magnitude of the vectors F is 20 N, the force on the right is applied at an angle 55◦ and the the mass of the block is 75
4 answers
asked by
sally
2,224 views
You drag a heavy box along a rough horixontal floor by a horizontal rope. Identify the reaction force to each ofthe follwing
5 answers
asked by
Sarah
2,834 views
what change in velocity would be produced on a body of mass 4kg, if a contact force of 16N act on it for 2sec.
4 answers
asked by
sanusi
1,022 views
A force of 20N is applied to a mass of 5kg resting on a rough horizontal surface. If the friction force is 5N, what is the
4 answers
asked by
Jessica
1,974 views
A child with a mass of 83 kg is on top of a water slide that is 12 m long and inclined 30 degrees with the horizontal. How fast
4 answers
asked by
Rhans
1,542 views
An astronaut has a mass of 100 kg. She recedes from her spacecraft using spurts of gas from a small unit on her back. If the
4 answers
asked by
tash
1,613 views
A 6.0 kg block of ice rests on a surface that is tilted by = 12°. Find the acceleration of the block ignoring any friction.
4 answers
asked by
Pat
1,237 views
You are moving fast on a skateboard when your wheel gets stuck in a crack on the sidewalk. Using the term inertia, explain what
4 answers
asked by
Martin
1,824 views
A constant net force of 20 N is applied to a 32 kg car, causing it to speed up from 4.0 to 9.0 m/s. How long is the force
4 answers
asked by
Zain
2,690 views
A 65-kg astronaut pushes against the inside back wall of a 2000kg spaceship and moves toward the front. Her speed increases from
4 answers
asked by
Hang
4,274 views
if you apply a force of 1.0N to a cart of mass 1.0kg with negligible friction, what do you expect the acceleration to be?
4 answers
asked by
wiki
1,663 views
1. A worker pushes horizontally on a 2000 N refrigerator on a kitchen floor with a force of 25 N. Which statement is the most
4 answers
asked by
Amber
3,573 views
A 3.90 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=14.1N at an angle
4 answers
asked by
Carly
2,681 views
Two masses m are attached to two vertices of an equilateral triangle made of three massless rods of length l. A pivot is located
4 answers
asked by
Anonymous
1,573 views
a child causes a wagon to accelerate by pulling it with a horizontal force. newton's third law says that the wagon exerts an
5 answers
asked by
billy
3,709 views
This is the Final for the semester enjoy and easy 100%:)
1.A person uses a screwdriver to turn a screw and insert it into a piece
16 answers
asked by
Iman Shumpert
3,577 views
A 10.0 kg box is pulled along a horizontal surface by a 40N force which is applied at a 30.0 degree angle. If uk = 0.3,
4 answers
asked by
cr
2,142 views
Does anyone have the answers to the Newton’s Laws Unit Test? It has 15 questions.
4 answers
asked by
John
729 views
A man whose mass is 80kg stands on a spring weighing machine inside an elevator.
What is the reading of the weighing machine
4 answers
asked by
Olubajo Rukayat
1,957 views
An object with a mass of 2300 g has a force of 6.2 newtons applied to it. What is the resulting acceleration of the object?
4 answers
asked by
Sabrina
1,453 views
A ball is thrown straight up in the air with a speed of 30 m/s. How much time does it take for the ball to return to the
10 answers
asked by
Anonymous
2,074 views
On takeoff, the combined action of the engines and the wings of an airplane exert a force of 8.00 x 103 N on the plane upward at
4 answers
asked by
Lee
2,056 views
A 72.2-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a) accelerating upward with
4 answers
asked by
ben
2,089 views
Two forces F1 = -7.50i + 6.00j and F2 = 8.40i + 7.50j are acting on a mass of m = 6.20 kg. The forces are measured in newtons.
4 answers
asked by
Sam Cole
752 views
A force of 25 N accelerates a body by 5 m/s2. What is the mass of the body?
3 answers
asked by
Bryan
772 views
According to newtons 1st law , construction workers are warned not to leave their hard hats on the rear window ledge of their
4 answers
asked by
Melissa
1,764 views
When a horizontal force of 4.5 newtons acts on a block on a resistance-free surface, it produces an acceleration of 2.5 m/s
4 answers
asked by
Caitlyn
1,285 views
A Princeton prof. (mass = 70.0 kg), surprised by the large stopping force he calculates for jumping flat footed from a height of
4 answers
asked by
Josh G.
713 views
This is just practice, but i still need help. Can someone explain?
If car A and car B have the same acceleration, but car B has
4 answers
asked by
pete kardashian
1,199 views
A box weighing 700 pounds is on a ramp inclined at 15 degrees with the horizontal. Find the force necessary to prevent the box
4 answers
asked by
Jacob
1,260 views
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