Friction
Which is larger, the coefficient of static friction or coefficient of kinetic friction?
Coefficient of static friction
A crate with mass m = 6 kg is on an incline angled at 30 degrees. Find the normal force of the crate.
FN = 50.9 N
What is aR equal to in terms of velocity and radius?
aR = v2/r
What is Newton's first law of motion?
What is the name of our Governor?
Tate Reeves
A crate with m = 6 kg is pushed downward at an angle of 30 degrees below the positive x-axis. The coefficient of kinetic friction between the crate and the floor is μ=0.2. Find the normal force of the crate.
FN = 83.8 N
A crate with mass m = 6 kg is on an incline angled at 30 degrees. The coefficient of kinetic friction between the crate and the incline is μ = 0.2. Find the friction force on the crate.
Ff = 10.2 N
If you are on a merry-go-round of radius 5 m moving at a speed of 2 m/s, what is your centripetal acceleration?
aR = 0.8 m/s
What is Newton's second law of motion?
F = ma
What is the name of our Mayor?
Lynn Spruill
A crate with m = 6 kg is pushed downward at an angle of 30 degrees below the positive x-axis. The coefficient of kinetic friction between the crate and the floor is μ=0.2. Find the friction force on the crate.
Ff = 16.76 N
A crate with mass m = 6 kg is on an incline angled at 30 degrees. The coefficient of kinetic friction between the crate and the incline is μ = 0.2. If the crate is moving down the incline, find the magnitude of its acceleration.
a = 3.2 m/s2
A car rounds a curve of radius 30 m. If the coefficient of static friction between the tires and the road is 0.4, how fast can the car safely (without skidding) go around the curve?
v = 10.8 m/s
What is Newton's third law of motion?
Every action has an equal an opposite reaction
How was your day?
:)
A crate with m = 6 kg is pushed downward at an angle of 30 degrees below the positive x-axis. The coefficient of kinetic friction between the crate and the floor is μ=0.2. Find the acceleration of the crate.
a = 4.42 m/s2
A crate with mass m = 6 kg is on an incline angled at 30 degrees. The coefficient of kinetic friction between the crate and the incline is μ = 0.2. If the crate is moving up the incline, find the magnitude of its acceleration.
a = 6.60 m/s2
If I swing a bucket of mass m = 3 kg attached to a rope to form a vertical circle of radius 1 m at velocity of 2 m/s, what is the tension in the rope at the bottom of the circle?
FT = 33.4 N
If a person that is 60 kg stands on a scale that reads 620 N in an elevator accelerating upward, what is the magnitude of this acceleration?
a = 0.53 m/s2
Anyone But You was an adaptation of what Shakespeare play?
Much Ado About Nothing
A crate with m = 6 kg is pushed downward at an angle of 30 degrees below the positive x-axis.What coefficient of friction is necessary for the box to move at constant velocity?
μ = 0.52
A crate with mass m = 6 kg is on an incline of length 10 m angled at 30 degrees. The coefficient of kinetic friction between the crate and the incline is μ = 0.2. If the crate is initially at rest, how long will it take to slide down the incline?
t = 2.5 s
If I swing a bucket attached to a rope to form a vertical circle of radius 1 m, what is the slowest the bucket can go at the top of its motion without the rope going slack?
v = 3.13 m/s
If a person that is 60 kg stands on a scale in an elevator that is accelerating downward at 0.5 m/s, what will the scale read (in Newtons).
FN = 558 N
What is the closest star (besides the sun) to our solar system?
Proxima Centauri