Questions LLC
Login
or
Sign Up
Ask a New Question
Forces and Motion
Page 9
Questions (4,623)
A parachutist relies on air resistance (mainly on her parachute) to decrease her downward velocity. She and her parachute have a
4 answers
asked by
Ben
1,909 views
Suppose two children push horizontally, but in exactly opposite directions, on a third child in a wagon. The first child exerts
4 answers
asked by
Steve
7,670 views
An object weighs 0.25N in air and
0.01N when immersed in water. Calculate (a) its relative density (b) its apparent weight in a
5 answers
asked by
somay
1,944 views
A 5-kg block lies on a smooth table top. A horizontal string connected to the block is passed over a small pulley at the edge of
4 answers
asked by
Rhian
2,486 views
A boat is pulled through a canal by horses walking parallel to the canal and exerting a force of 1000 N on a tow rope 40 meters
4 answers
asked by
Dylan
1,988 views
Three people pull horizontally on ropes attached to a post, as shown in the figure.(Figure 1) The total force that they exert on
5 answers
asked by
Nerdy
4,218 views
1)When a car drives off a cliff, why does it rotate forward as it falls? (Consider the torque it experiences as it rolls off the
4 answers
asked by
Kiarra
2,723 views
A sled and rider have a total mass of 58.4 kg. They are on a snowy hill accelerating at 0.4g. The coefficient of kinetic
4 answers
asked by
joy
3,259 views
A 16.0 m uniform ladder weighing 480 N rests against a frictionless wall. The ladder makes a 61.0° angle with the horizontal.
(a
4 answers
asked by
phys
4,794 views
A mass M = 40.0 kg is suspended by a massless string from the ceiling of a van which is moving with constant acceleration a, as
4 answers
asked by
Lina
3,188 views
An object of mass 10kg is placed on an inclined plane at 30 degree to the horizontal. Calculate the reaction between two surface
7 answers
asked by
God'sp
3,751 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
2,215 views
A crate sets on wooden horizontal surface (a wooden floor). The figure shows a top view of this looking down onto the crate
4 answers
asked by
Johnny
2,692 views
Bonnie and Clyde are sliding 500 bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde
4 answers
asked by
Kris
3,236 views
A block weighing 8.3 N requires a force of 2.6 N to push it along at constant velocity. What is the coefficient of friction
6 answers
asked by
Mel
4,242 views
The three blocks shown are released from rest and are observed to move with accelerations that have a magnitude of 1.5 m/s^2.
4 answers
asked by
Anonymous
3,338 views
A body of mass 3 kg experiences a force F=(2i +2j) N. If its initial velocity v=( -8i + 4j) m/s, then the time at which it will
5 answers
asked by
Clandestine
8,417 views
A horizontal force of 45N applied to a crate of mass 9kg is just sufficient to move it. If the crate is now pulled at an angle
9 answers
asked by
Same
2,791 views
On vacation, your 1400-kg car pulls a 520-kg trailer away from a stoplight with an acceleration of 2.00 m/s2 .
A: What is the net
4 answers
asked by
LISA
4,039 views
You and your friend are pulling a 2.5 kg sled across a slightly rough patch on the frozen Rideau canal, such that there is a
5 answers
asked by
Melissa
2,243 views
A penny rests on top of a bowling ball. You give the bowling ball a slight bump and the penny slides off the frictionless,
4 answers
asked by
George
2,320 views
At the beginning of a new school term, a student moves a box of books by attaching a rope to the box and pulling with a force of
5 answers
asked by
Amanda
3,180 views
Two packing crate of masses 10.0kg and 5.00kg are connected by a light string that passes over a frictionless pulley .the 5.00kg
4 answers
asked by
rose
6,589 views
A student places five books next to each other on their ends. She then pushes the first book with her finger, and a few seconds
4 answers
asked by
ashley
3,326 views
Find the magnitude and direction of a)the resultant b)the equilibrant of two forces 10N acting in the direction N030'E and 15N
6 answers
asked by
lucky
1,722 views
An object in space is initially stationary relative
to the Earth. Then, a force begins acting on the object, starting with a
4 answers
asked by
jungtaesoo
3,438 views
Find the Magnitude of the force exerted by each cable to support the 625 N punching bag. One cable is connected to the ceiling
4 answers
asked by
kacey
3,915 views
To move a box you pull on the handle as indicated in the diagram shown below with a constant force F. The mass of the box is m =
4 answers
asked by
JennaPoop
2,010 views
A mobile consists of two very lightweight rods of length l = 0.400 m connected to each other and the ceiling by vertical
4 answers
asked by
Luca
1,336 views
A river flows at a speed of 4.60 m/s. A boat, capable of moving with a speed of 5.80 m/s in still water is rowed across the
4 answers
asked by
Alex
2,795 views
How much force is the air exerting on the front surface of the book with dimensions 19 x 27 cm. Assume atmospheric pressure
4 answers
asked by
ann
3,339 views
A solid uniform 45.0 kg ball of diameter 32.0 cm is supported against a vertical frictionless wall using a thin 30 cm wire of
4 answers
asked by
L
3,068 views
a box with mass 20kg rests on a frictionless ramp with a 15degree slope. a mover pulls up on a rope attached to the box to pull
5 answers
asked by
thalia
5,379 views
How much applied force is needed to accelerate a 2.0 kg block of wood at 4.0m/s^2 along a rough table, against a 10 N force of
6 answers
asked by
Melissa
2,617 views
A skydiver leaps from a hovering helicopter at 2000 feet. Sketch a small graph showing each of the following from the time she
4 answers
asked by
Favour
1,360 views
The magnitude of each force is 283 N, the
force on the right is applied at an angle 41� and the mass of the block is 27 kg. The
4 answers
asked by
james
1,841 views
A 250N force is applied at an angle of 32 degrees above the horizontal to a 96kg box causing it to slide along a floor. The
4 answers
asked by
Julia
2,192 views
Two forces are applied to a car in an effort to accelerate it, as shown below. The first force, F1 = 364 N, is applied at an
4 answers
asked by
Davis Parker
8,725 views
The National Aeronautics and Space Administration (NASA) studies the physiological effects of large accelerations on astronauts.
4 answers
asked by
D
2,139 views
A 80 kg skier grips a moving rope that is powered by an engine and is pulled at constant speed to the top of a 25 degree hill.
4 answers
asked by
Kensey
5,970 views
Two tugboats pull a disabled supertanker. Each tug exerts a constant force of 1.80 * 10^6 N, one 16 degrees west of north and
4 answers
asked by
anonymous
3,270 views
Adolf and Ed are wearing harnesses and are hanging at rest from the ceiling by means of ropes attached to them. Face to face,
4 answers
asked by
Tara
5,140 views
Four forces act on a hot-air balloon, shown from the side in the figure below. Find the magnitude and direction of the resultant
4 answers
asked by
nik
5,895 views
Someone attaches a 27 kg bale of hay to one end of a rope passing over a frictionless pulley connected to a beam in a hay barn.
5 answers
asked by
ash
3,641 views
An elevator weighing 2.00*10^5 N is supported by a steel cable. What is the tension in the cable when the elevator is
4 answers
asked by
physics
4,568 views
If a car is accelerating downhill under a net force of 3,674N, what force must the brakes exert to cause the car to have a
5 answers
asked by
steve
3,590 views
A 37.0-kg crate rests on a level floor. A horizontal force of 50.0 N accelerates the crate at 1.00 m/s2.
Calculate the frictional
3 answers
asked by
Mike
1,686 views
You are helping your friend move a new refrigerator into his kitchen. You apply a horizontal force of F = (202i − 161k) N to
4 answers
asked by
Pissed off at this question rn
3,150 views
Two forces act on an object. The first force has a magnitude of 17.0 N and is oriented 68.0° counter-clockwise from the x axis,
4 answers
asked by
James
4,870 views
Your friend has slipped and fallen. To help her up, you pull with a force F, as the drawing shows. The vertical component of
4 answers
asked by
Dwight
7,515 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (43)
Aerospace Engineering
Astronomy
Circular motion
Classical mechanics
Dynamics
Earth Science
Electricity
Energy and Motion
Force and Motion
Forces
Gravity
Kinematics
Laws of motion
Mathematics
Mechanical Systems
Mechanics
Mechanics or Classical Mechanics
Mechanics or Physics
Mechanics/Classical Mechanics
Mechanics/Dynamics
Motion
Newton's Laws
Newton's Laws of Motion
Newton's Third Law
Newtonian Mechanics
Physical Education
Physical Science
Physical Sciences
Physics
Physics and Mechanics
Physics and Motion
Physics Education
Physics or Mechanics
Physics or Science
Science
Science and Physics
Science and Technology
Science Education
Science Experiments
Science or Physics
Science/Physics
Tennis
Work and Energy