PHYSICS
FOCUS QUIZ
EFFICIENCY
NAME: _
1. While trying to lift a piano that weighs 1575 N, you decide to use a pulley system. Once the pulleys are
rigged, you pull 70 m of rope with a force of 200 N and the piano rises 6 meters. What is the efficiency
of t
Worksheet A Free Fall Equations
1.) How fast will a ball be traveling if it falls for 5 seconds?
Data
Equation
Math
Answer
t = 5 seconds
g = 10 m/s2
v v = gt
vv = 10(5)
vv = 50 m/s
2. An apple falls out of a tree and takes 1.75 seconds to strike t