1500 J is lifted off the ground in 45 seconds. how much power is being done?
33.33 Watts
200
what other formula is the work used in?
power
200
formula for finding work
force x distance
200
What is an example of a class 3 lever?
scissors
300
what is the unit for measuring force
Newtons
300
a man exerts 845 J by walking a yard in 15 sec. what is the power?
56.33 Watts
300
what are the two factors that are multiplied together to find the work?
force and distance
300
formula for force
weight x 4.45
300
what is an example of a class 1 lever working
a hammer pulling a nail out
400
What is time measured in?
seconds
400
a dog does 200 J by running around the yard in 18 seconds. what is the power?
11.11 Watts
400
what work is measured in
joule
400
what do you multiply distance by to find the work
force
400
what is an example of a class 2 lever
nutcracker
500
the unit Joule is for what measurment
work
500
a cat does 900 J by climbing a tree to the top branch of a tree. the tree is 56 ft. tall. the cat climbs the whole tree in 58 seconds. what is the power?
15.52 Watts
500
if a 500N dog walks 3m, how much work is being done?