Work, Power and Newtons Laws
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14 Terms
1
work
force x distance
2
units for work
Joules (J)
3
Power
the rate at which work is done
4
units for power
Watts (W)
5
Force
A push or a pull
6
Units for force
Newtons
7
Newton's First Law
An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
8
Newton's Second Law
Force = mass x acceleration
9
Newton's 3rd Law
For every action force there is an equal and opposite reaction force
10
formula for power
P=W/t
11
units for speed
m/s
12
units for acceleration
m/s squared
13
Units for velocity
m/s and direction
14
Inertia
The tendency of an object to resist a change in motion
Note 
Flashcards (41)