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Forces
New post in Forces
Work done by Friction. Can it be positive or zero?
June 9th, 2022
work
newtonian-mechanics
forces
friction
Centripetal force at the pole is different from the equator
June 1st, 2022
gravity
forces
centripetal-force
People went down two different length slides end up at the bottom at the same time
June 9th, 2022
newtonian-mechanics
constrained-dynamics
forces
newtonian-gravity
Question about the relationship between resistive drag, dissipated power, and velocity
June 8th, 2022
power
work
homework-and-exercises
forces
energy
Plane flying with constant velocity
June 1st, 2022
classical-mechanics
aerodynamics
forces
newtonian-mechanics
Is it possible to lift yourself off from the ground?
June 8th, 2022
forces
momentum
conservation-laws
Significance of the slope of a terminal velocity vs. mass graph
June 1st, 2022
kinematics
forces
newtonian-mechanics
homework-and-exercises
Freight car problems
June 7th, 2022
momentum
forces
newtonian-mechanics
homework-and-exercises
Would this model of a boat move according to Newtons 3rd Law?
June 16th, 2022
forces
classical-mechanics
kinematics
How to calculate the supporting force for a cantilever beam?
June 9th, 2022
statics
forces
homework-and-exercises
How does mass affect velocity of a skateboard?
June 9th, 2022
mass
kinematics
forces
newtonian-mechanics
From knowing just the change in kinetic energy, can we find the friction force and engine power?
June 9th, 2022
forces
homework-and-exercises
newtonian-mechanics
energy
Non-conservative field?
June 2nd, 2022
forces
work
vector-fields
String applying a force on pulley
June 1st, 2022
free-body-diagram
newtonian-mechanics
forces
string
Explain what happens to object in lift
June 1st, 2022
homework-and-exercises
newtonian-mechanics
forces
newtonian-gravity
acceleration
Spring balance: what will be the reading?
June 9th, 2022
homework-and-exercises
newtonian-mechanics
forces
spring
free-body-diagram
Problem regarding bullet penetration
June 1st, 2022
forces
kinematics
momentum
conservation-laws
collision
If the resistive forces are greater than the driving force, will the car decelerate or reverse?
June 9th, 2022
homework-and-exercises
newtonian-mechanics
forces
friction
If you place a filled water bottle at the bottom of the Mariana Trench, how does the bottle stand the enormous pressure?
June 10th, 2022
forces
pressure
Why it's more difficult to walk in an inclined plane than in a causal road
June 10th, 2022
newtonian-mechanics
forces
newtonian-gravity
biophysics
Maximum range of projectile launched from an inclined plane
June 9th, 2022
projectile
newtonian-gravity
forces
newtonian-mechanics
homework-and-exercises
If an object is moving with a constant velocity, how would you find the force needed to stop the object?
June 9th, 2022
homework-and-exercises
newtonian-mechanics
forces
collision
How exactly does mass affect speed?
June 6th, 2022
newtonian-mechanics
speed
mass
forces
Finding the moment at an angle
June 9th, 2022
homework-and-exercises
forces
moment
When you lift a box from the floor, the potential energy changes but kinetic energy does not change. Does it violate conservation of energy?
June 9th, 2022
potential-energy
newtonian-mechanics
forces
energy-conservation
work
How much torque does it take to turn a doorknob?
June 9th, 2022
classical-mechanics
forces
torque
Gravitational Potential Energy misunderstandings
June 9th, 2022
work
potential-energy
forces
newtonian-gravity
newtonian-mechanics
Why Do Objects move?
June 1st, 2022
friction
kinematics
forces
newtonian-mechanics
Maximum Extension of a Spring
June 1st, 2022
spring
energy
forces
newtonian-mechanics
homework-and-exercises
What happens after a rocket is fired with velocity equal to or greater than escape velocity?
June 14th, 2022
escape-velocity
forces
gravity
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