Units
What are the units for position or displacement?
What are meters or m?
You have a box with a mass 20 kg. What is the force of gravity on planet earth?
What is the equation for frictional force?
What is Ff=μFN?
What is the sum of the forces for a book at rest on a table?
What is FN-Fg=0?
What are the units for v?
What is m/s?
You are swinging a ball with a mass of 750g tied to a string together. You know that you are swinging the ball at an angular velocity of 7.5 rad/s. The ball is 1.5 meters away from the hand. What is the centripetal force being exerted on the ball?
What is a centripetal force problem?
Solve for my mass if the force I feel on earth is 100N.
What is 10.2kg?
What is the equation for the spring force?
What is F= -kx?
What is the sum of the forces for a plant vase being hung by a rope at rest?
What are the units of a Force?
A particle moves in a circle 1.50 m in radius. Through what angle in radians does it rotate if it moves through an arc length of 2.50 m?
What is a rotational kinematics problem?
I am initially spinning at a rate of 6rad/s then speed up to 12 rad/s over 3 seconds. Solve for my angular acceleration?
What is 2 rads/s2?
What is the equation for centripetal acceleration?
What is ac=v2/r?
What is the sum of the forces (in both directions) for a box being pushed across a rough surface at a constant velocity?
What is Fapp-Ffk=0, FN-Fg=0?
What are the units for θ?
What are degrees, rads, or radians?
I kick a soccer ball at an angle of 30 degrees from the horizontal. The initial speed in the sloped direction is 35m/s. What is the time it would take for my soccer ball to hit the ground?
What is a linear kinematics problem?
I am spinning my object horizontally with a tension wire. My linear velocity is 20m/s. The wire is 50 centimeters long. Solve for my Tension if the mass of the object is 5kg.
What is 4000N?
What is the displacement equation?
What is Δx = vot + (1/2)at2?
What is the sum of the forces for an object being spun around by a rope vertically at the top of the rope?
What is T + Fg = mv2/r?
What are the units for ω?
What are rads/s?
A projectile is fired with an initial velocity of 120 m/s at some angle (𝛳) above the horizontal. If the projectile’s horizontal speed is 55 m/s what is the angle the object was fired?
What is a linear kinematics problem?
We are in a horse race and our horse ran with an initial constant velocity of 25m/s. Our horse accelerated at a rate of 5m/s2 for 10 seconds. Solve for the displacement of the horse while it was accelerating.
What is 500m?
What is the orbital velocity equation?
What is v = √(GM/r)
What is the sum of the forces for an object orbiting Earth?
What is FG Gm1m2/r2= mv2/r?