week 6 Flashcards
1
Q
What is mechanical eneergy?
A
its energy we acquire - get it from something else its energy we dont have but get given to us
2
Q
kinetic energy?
A
energy due to movement
3
Q
define work using an equation?
A
W=fd
WORK = FORCE X DISPLACMENT
4
Q
Work energy theorem?
A
If i work on an object i give it energy
5
Q
Power?
A
amount of work being done in a given time
6
Q
Conservation of energy?
A
Energy can not be created or destroyed
7
Q
What is ground reaction force?
A
Force the ground is applying to an object/equal opposite
8
Q
Force plates what can be measured?
A
GRF
Centre of pressure
Moments about x & y axis
9
Q
gravitational potential energy at the start of a drop is equal to the kinetic energy
A
At the lowest point
10
Q
Conservation of momentum states that in an ideal system
A
total momentum remains consistent
