Motion
The rate of change of velocity
What is acceleration?
This is the cause of an acceleration
What is force?
Which of the following energy forms is associated with an object due to its position?
What is potential energy?
After colliding, objects are deformed and lose some kinetic energy. Identify the type of collision.
What is inelastic?
What is greek letter is used to represent a difference or change?
What is delta?
A quantity with magnitude and direction
What is a vector?
The tendency of an object to maintain its state of motion
What is inertia?
Which of the following energy forms is associated with an object in motion?
What is kinetic energy?
Two objects move separately after colliding, and both the total momentum and total kinetic energy remain constant. Identify the type of collision.
What is elastic?
How does a scientist reduce the frequency of human error and minimize a lack of accuracy?
What is take multiple measurements, maintain instruments and use the same methods of measurement?
What is the acceleration of an object in free fall?
9.8 m/s^2
Draw the free body diagram for the forces acting on an egg in as it falls in the presence of air resistance
A dot representing the egg with an arrow pointing downwards from it labeled as gravitational force and an arrow pointing upwards away from it labeled as air resistance
What is the potential energy of a 1.0 kg mass 1.0 m above the ground?
What is 9.8J?
Two objects stick together and move with a common velocity after colliding. Identify the type of collision.
What is perfectly inelastic?
What is a coordinate system for specifying the precise location of objects in space?
What is a frame of reference?
A horse trots past a fencepost located 14 m to the left of a gatepost. It then passes another fencepost located 15 m to the right of the gatepost 14 s later. What is the average velocity of the horse?
What is 2.1 m/s right?
A hockey stick hits a puck on the ice. Identify an action-reaction pair in this situation.
The stick exerts a force on the puck; the puck exerts a force on the stick.
A worker does 25 J of work lifting a bucket, then sets the bucket back down in the same place. What is the total net work done on the bucket?
What is 0 J?
In any type of collision what is conserved?
Momentum
The path of a projectile is called a
Parabola
A ball is thrown at 5.0 m/s at an angle of 20 degrees with respect to the ground. What is the horizontal component of its initial velocity?
What is 4.7 m/s
A net force of 6.8 N accelerates a 31 kg scooter across a level parking lot. What is the magnitude of the scooter’s acceleration?
What is 0.22m/s^2?
Ball A has triple the mass and speed of ball B. What is the ratio of the kinetic energy of ball A to ball B
What is 27
What is the change in an object's momentum called?
What is impulse?
What is the average power supplied by a 60.0 kg person running up a flight of stairs a vertical distance of 4.0 m in 4.2 s?
What is 560 Watts?