Exam 1 Flashcards
what formula do you use for distance and displacement
pythagora’s theorem
what are two ways to describe displacements
flying and finish where you started or where you finished
what units is speed in?
meters per sec m/s. Speed= Distance and time d/t
what us kinetic
you can’t see the force but you can see the result of force. therefore it is the force itself
what is kinematic
it is the person moving that is causing the forces
what are forces and weight are measured by
newtons
forces are
vectors. They have directions. so a person can push or pull the object in a certain directions
force formula is….
F= Mass x acceleration (F=ma)
a hand is pushing a box what is this called?
point of application
what is it called when you apply force
magnitude
what are the four properties of force
magnitude, direction, point of application, line of action
what is the number for the force if gravity
9.8m/s2. force of gravity= mass (kg) x acceleration (F=ma)
true or false. mass is a force
false
impulse formula
=F x /\t
what is the jumping style that allows you to jump over a high bar
Fosbury Flop
a object that is in constant rest or velocity unless it is acted on an external force. a objects resist changes in its motion; if an object is not moving or if its already moving.
law of inertia
the heavier the mass the _____ the intertia
heavier
the bigger the force the bigger the acceleration is called?
law of acceleration
higher the mass will ______ the acceleration
decrease
what does GRF do when you apply force to the ground when running?
it pushes you back
