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Forces
New post in Forces
Can you sum moments about a point not on the object?
January 27th, 2023
rotational-dynamics
forces
torque
reference-frames
Why when opening parachute, the man doesn't go upwards?
August 20th, 2022
free-body-diagram
forces
projectile
drag
newtonian-mechanics
Can work done by conservative forces change the mechanical energy of a system?
July 23rd, 2022
potential-energy
work
forces
newtonian-mechanics
conservative-field
An upward force against gravity
January 4th, 2023
newtonian-mechanics
forces
newtonian-gravity
How does a weight connected to a string over a pulley pulling a cart apply force onto the cart?
December 17th, 2022
newtonian-mechanics
forces
newtonian-gravity
free-body-diagram
string
Gravity and its effect on electrons
December 10th, 2022
forces
newtonian-gravity
interactions
coulombs-law
electrons
Pressure exerted by a gas and the ideal gas equation
July 23rd, 2022
ideal-gas
pressure
forces
How can we apply Newtons laws, or kinematics to solve a problem like this one?
August 14th, 2022
kinematics
forces
newtonian-mechanics
homework-and-exercises
Is it possible to find the coefficient of friction without frictional force?
August 9th, 2022
homework-and-exercises
newtonian-mechanics
forces
friction
Work done by a conservative force
June 20th, 2022
conservative-field
forces
work
potential-energy
What happens after a rocket is fired with velocity equal to or greater than escape velocity?
July 21st, 2020
forces
escape-velocity
gravity
How much work is done when pushing against a brick wall?
May 16th, 2020
homework-and-exercises
forces
Applying a force on a rigid body on a certain point
January 9th, 2020
forces
rigid-body-dynamics
Drag force on a cone
June 14th, 2020
drag
forces
newtonian-mechanics
homework-and-exercises
Plane flying with constant velocity
March 10th, 2020
newtonian-mechanics
aerodynamics
classical-mechanics
forces
Physics pulley problem
September 8th, 2020
newtonian-mechanics
homework-and-exercises
forces
Acceleration is zero, for non-zero net force
November 7th, 2020
newtonian-mechanics
forces
acceleration
How exactly does mass affect speed?
August 13th, 2020
newtonian-mechanics
speed
mass
forces
Gravity force between two objects with different mass
March 12th, 2020
forces
newtonian-gravity
gravity
newtonian-mechanics
Calculate a drag force on a sphere?
February 28th, 2021
drag
forces
Finding the mass of bed/Patient
September 6th, 2020
homework-and-exercises
forces
torque
statics
Tension in rope between falling objects
October 3rd, 2020
string
forces
newtonian-mechanics
homework-and-exercises
Why is $\sqrt{gR}=v$ same for finding Minimum and Maximum Speed?
December 18th, 2020
newtonian-mechanics
forces
speed
Hooke's Law: Is the extension of a spring the same as its displacement?
December 20th, 2020
newtonian-mechanics
forces
terminology
spring
displacement
Why does an apple fall to the ground according to GR?
December 17th, 2020
forces
general-relativity
gravity
Which will require more force (kgf)? small or big scissors?
December 2nd, 2020
forces
newtonian-mechanics
Hydrostatic pressure at lateral directions
April 4th, 2020
forces
fluid-statics
vectors
pressure
Why tension in the string is inversely proportional to cross sectional area of the string?
November 17th, 2020
string
free-body-diagram
forces
newtonian-mechanics
Work done by Friction. Can it be positive or zero?
October 16th, 2020
work
friction
forces
newtonian-mechanics
String applying a force on pulley
September 10th, 2020
string
free-body-diagram
forces
newtonian-mechanics
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