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Forces and Motion
Page 7
Questions (4,620)
Sitting on a horizontal track is a mass of 10kg. One end of the track is raised untill the mass just begins to slip. If the
1 answer
asked by
Henry
662 views
A 4.0-kg block and a 2.0-kg block are connected to opposite ends of a relaxed spring of spring constant 300 N/m. The blocks are
2 answers
asked by
gatanga
984 views
Air pressure doesn't crush everything underneath it because
A. air pressure is hypothetical and not a real force. B. air pressure
13 answers
asked by
Prisila
1,009 views
What would cause the momentum of a moving object to increase?
* 1 point A force acting in the direction opposite the object’s
1 answer
asked by
Ieasha30
324 views
Specify the coordinate direction angle α1 of F1. Express your answer to two significant figures and include the appropriate
2 answers
asked by
mm
565 views
Groups of skydivers need to navigate through the air during a jump to get into a formation. How can skydivers who are below the
2 answers
asked by
HelpWanted
346 views
Assuming that Albertine's mass is 60.0kg , what is μk, the coefficient of kinetic friction between the chair and the waxed
2 answers
asked by
jame
940 views
In which situation is the magnitude of the total force greater than the magnitude of each of the individual forces?(1 point)
Resp
5 answers
asked by
I remain Anonymous
196 views
A truck carries newspapers. When it is half full of newspapers the truck has a mass of 1762kg. When it is a quarter full the
5 answers
asked by
Brendon
712 views
two children are fighting over a toy pull on it from opposite sides .the result is stand off.explain this term of the net force
2 answers
asked by
juan
732 views
How will an object at rest be affected if multiple forces working on it are opposed but unbalanced?(1 point)
Responses The mass
10 answers
asked by
hello na
363 views
The resistance of the motionof a vechincle is partly constant and partly constant and partly varies to the square of its
7 answers
asked by
Adekunle Adebola
2,405 views
Two people push a box from opposite directions
2 answers
asked by
Keyzia Boone
62 views
A boat moving at 5 mi/hr is ti cross a river in which the current is flowing at 3 mi/hr. In what direction should the boat head
4 answers
asked by
Master Hokage
957 views
Two forces FA and FB are applied to an object whose mass is 9.39 kg. The larger force is FA. When both forces point due east,
5 answers
asked by
Anonymous
10,620 views
The force shown in the figure acts on a 1.7-kg object whose initial speed is 0.44 m/s and initial position is x = 0.27 m.
the
6 answers
asked by
Sara
4,593 views
To hoist himself into a tree, a 72.0-kg man ties one end of a nylon rope around his waist and throws the other end over a branch
3 answers
asked by
Nerdy Nancy
857 views
In which situation does the reactive force between two colliding objects cause a physical change?
the exhaust from a rocket
4 answers
asked by
Ieasha30
296 views
Four movers pick up boxes. Each box has a different mass, and each mover applies a different amount of force to lift the box.
4 answers
asked by
Carlos Jimenez
502 views
a horizontal force of 8.0 newtons is used to pull a 20.-newton wooden box moving toward the right along a horizantal, wood
5 answers
asked by
mike
4,929 views
A building’s 10th floor (34.5 m high) is blazing with fire. A fire truck arrived at the scene and the fire
men shoots water
4 answers
asked by
10
605 views
A 0.2-kilogram softball is thrown toward a catcher’s mitt. The ball is accelerating at a rate of 8 meters per second squared.
4 answers
asked by
Chiaki <3
464 views
Two boxes are connected by a light string that passes over a
light, frictionless pulley. One box rests on a frictionless ramp
3 answers
asked by
David
1,165 views
A rope is attached to a block that has a weight of 120N. When the rope exerts an upward force of 250N on the block, what is the
5 answers
asked by
Anomynous
2,344 views
Superman must stop a 190-km/h train in 180m to keep it from hitting a stalled car on the tracks.
part a)If the train's mass is
6 answers
asked by
john
9,154 views
A balloon floats inside a stopped car. When the car starts moving forward, the balloon appears to move backward relative to the
5 answers
asked by
iammmmasecretttt
601 views
A sky diver jumps from a reasonable height above the ground. The air resistance she experiences is proportional to her velocity,
4 answers
asked by
Melany
3,885 views
Suppose that a person with a reach of 27 inches and a shoulder height of 5 feet is standing upright on a mountainside that makes
6 answers
asked by
Rene
2,221 views
4 of 54 of 5 Items
4 of 54 of 5 Items Question A tennis player hits a 0.1-kilogram tennis ball with her racket from the north end
5 answers
asked by
Chiaki <3
268 views
Two forces, F1 and F2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 69.0 N and F2 = 24.5
4 answers
asked by
Nilan
1,840 views
A strong, weightless rope has a 0.15 kg mass hanging from the middle of it. What tension force will make the rope horizontal,
4 answers
asked by
MM
2,275 views
Which direction will the box move in the diagram below?
(Its a square in the middle and it has a long arrow pointing to it on the
36 answers
asked by
Amber
13,897 views
On a planet far, far away, an astronaut picks up a rock. The rock has a mass of 4.20 kg, and on this particular planet its
4 answers
asked by
jose calvario
4,569 views
I need help really bad.
What are the three ways that unbalanced forces can cause an object to change it's motion?
5 answers
asked by
Katy
1,389 views
tarzan tries to cross a river by swinging from one bank to the other on a vine that is 10.0 meters long. his speed at the bottom
7 answers
asked by
hannah!
9,747 views
Can someone just have a quick look over this question and my current answers and tell me if there are any massive mistakes im
7 answers
asked by
Anon
1,621 views
Scott is rolling down a 30° slope on his skateboard.The total mass of Scott and the skateboard is 75 kg. The rolling friction
5 answers
asked by
Deucalion
3,740 views
A 100 gram resistive slider (thick line) moves without friction along a vertical U-shaped conducting track (thin line) that is
5 answers
asked by
BJ
641 views
A 79.2-kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a) accelerating upward with
5 answers
asked by
Hannah
1,879 views
Given that force 1=60 pounds and force 2=90 pounds, find the angle between the forces if the magnitude of the resultant force is
4 answers
asked by
Shelby
4,011 views
A force of 10 N causes aspring to extend by 20mm find the spring constant of the spring in N/m
12 answers
asked by
Anonymous
6,011 views
Need serious help!!
1. How can the momentum of a moving object be found? A. By multiplying its mass by its acceleration. B. By
11 answers
asked by
Blake
8,692 views
Students are going to conduct an experiment to study the effect of a net force applied to an object on the object’s motion. In
25 answers
asked by
Justin Ross
7,985 views
A 1.5-kg block rests on top of a 7.5kg block. The cord and pulley have negligible mass, and there is no significant friction
4 answers
asked by
ericka
7,004 views
How much force does an 88 kg astronaut exert on his chair while sitting at rest on the launch pad?
Answer: 860N Now the question:
6 answers
asked by
falcon306
6,733 views
A helicopter is accelerating up into the air while it is also accelerating due north. Which statement about the forces acting on
5 answers
asked by
lyssa
4,883 views
A large statue in a crate is being moved. The mass of the statue and the crate is 150 kg. As the statue slides down a ramp
6 answers
asked by
Maddy
5,510 views
A force F1 of magnitude 6.90 units acts on an object at the origin in a direction θ = 54.0° above the positive x-axis. (See
5 answers
asked by
Jennifer
12,205 views
You want to use a rope to pull a 12-kg box of books up a plane inclined 30∘ above the horizontal. The coefficient of kinetic
4 answers
asked by
Katie
7,598 views
Only two forces act on an object (mass = 4.00 kg), as in the drawing. Find the magnitude and direction (relative to the x axis)
5 answers
asked by
Anonymous
9,523 views
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