Kinematics
What are the equations called in kinematics?
What is the idea that every action has an equal and opposite force?
What is Newtons 3rd Law?
What is toward the center of the circle?
What is the equation to find the average angular acceleration?
What is a = ∆w/∆t?
What is the unit of measure for potential energy?
What is Joules (J)?
When a value has both magnitude and direction, what is the term?
What is a vector?
What happens to a moving object in the absence of an external force?
What is moves with constant velocity?
What is the unit measure of momentum?
What is kg⋅ m/s or N⋅ s?
What is the measure of resistance to angular acceleration?
What is Moment of Inertia or Rotation Mass?
What is the term for the sum of kinetic energy and potential energy?
What is mechanical energy?
The slope of a position as a function of time graph is called what?
what is velocity?
A 27 kg object is accelerated at a rate of 1.7 m/s^2. How much force does the object experience?
What is 46N?
What is another way to write F = ma, using momentum?
What is F = ∆ p/∆ t?
Through what angle, in degrees, does a rpm record turn in 0.32s?
What is 63° ?
An ice skater performs a fast spin by pulling in her outstretched arms close to her body. What happens to her rotational kinetic energy about the axis of rotation?
What is increases?
Daniel ran across the soccer field with a velocity of 5 m/s. It took about 15 seconds to get from one end of the soccer field to the other. What is Daniel's acceleration?
What is 0.3 m/s2 ?
A package falls off a truck that is moving at 30 m/s. Ignoring air resistance, the horizontal speed of the package just before it hits the ground is:
What is 30m/s?
A 200N sled slides down a frictionless hill at an angle 37° to the horizontal. What is the magnitude of the force that the hill exerts on the sled parallel to the surface of the hill?
What is 0N?
A force of 17 N is applied to the end of a 0.63m long torque wrench of angle 45° from a line joining the pivot point of the handle. What is the magnitude of the torque about the pivot point produced by this force?
What is 7.6 N ⋅ m?
What is the kinetic energy when a 84kg scooter is moving at 10 m/s?
What is 4200J?
What is the racecar's average velocity if it completes one lap around a 500m track in 10s?
What is 0 m/s?
Sean is pulling his son in a toy wagon. His son and the wagon together are 60 kg. For 3 s Sean exerts a force which uniformly accelerates the wagon from 1.5 m/s to 3.5 m/s. What is the acceleration of the wagon with his son?
What is 0.67 m/s^2?
A 1,120 kg car experiences an impulse of 30,000 N⋅ s during a collision with a wall. If the collision takes 0.43 s, what was the speed of the car just before the collision?
What is 27 m/s?
A uniform meterstick of 0.20 kg is pivoted at the 40 cm mark. Where should one hang a mass of 0.50 kg to balance the stick?
What is 36 cm?
The second floor of the house 6m above the street level. How much work is required to lift a 300 kg refrigerator to the second-story level?
What is 17658 J?