Forces
Which characteristic of a force makes it a vector quantity?
Direction
During a curling game, your team pushes a stone down the ice where it collides with a stationary stone near the target. Is the collision elastic or inelastic?
Elastic
Which component of a contact force acts parallel to the surfaces in contact?
Reaction Force
What type of motion is typically observed in sports?
General Motion
What term describes the rate of force application?
Power
What is my wife's name?
Hannah
Which of the following is an accurate way to describe the acceleration of distance athletes on the backstretch in the middle of a 5000m race?
A. No change in velocity, positive direction, no acceleration
B. No change in velocity, changing directions, positive acceleration
C. No change in velocity, changing directions, no acceleration
D. No change in velocity, positive direction, positive acceleration
A. No change in velocity, positive direction, no acceleration
Work done on an object by an external force causes a change in what variable?
Energy
How does increasing the weight of an object increase the amount of force required to move it?
It increases the downward reaction force of the object
The current shot put technique of athletes starting with their shoulders pointing the opposite direction is maximizing what component of work being done on the shot?
Displacement