10_Power
Presentation
•
Physics
•
10th Grade
•
Practice Problem
•
Easy
Wida Agustina
Used 5+ times
FREE Resource
6 Slides • 3 Questions
1
POWER
Ms Wida N Agustina
2
3
The rate of this
energy transfer, or
the rate of work
done, is called power
The more work you do, and the shorter
time in which you do it, the greater
your power.
4
P = Power (Watt)
W = Work (J)
t = time (s)
E = energy changing (J)
5
Power
Ratings
Table
6
EXAMPLE
A person with a mass of 60 kg
climbs a coconut tree to a height of 5 meters for
10 seconds.
The power that the person needs to climb the
coconut tree is... g = 10 m/s2
7
Multiple Choice
What is meant by power?
The rate of work done
The rate of gravity done
The rate of acceleration done
8
Multiple Choice
What is unit of power?
Joule
Watt
Newton
9
Multiple Choice
If the work done that Alex did 50J and the time he took was 5 s. What is power happen?
10 Watt
20 Watt
30 Watt
40 Watt
POWER
Ms Wida N Agustina
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