Transcript Projectile Test Review Questions

Projectile Test Review Questions
A person weighs 500 N. If the person stands in the middles
of a tight rope that is 12 m long and sags 1.5 m below the
horizontal, what force would be exerted by each of the two
rope halves?
Use distances (6 m and 1.5 m) to find angle. Once you have
the angle, then think about forces and getting tension.
Answer: 1,033 N
A person with a mass of 50 kg sits at a distance of 1.6 m
from the pivot point on an 8-m seesaw. What should a
person with a mass of 75 kg sit to balance the seesaw?
Torq= Fd
Torq on both sides have to be equal to be balanced.
mag gives you force.
Fada = Fbdb
Or magda = mbagdb
Answer: 1.07 m
A golf ball is hit at a 30 degree angle and travels
60 m before hitting the ground. What was its
initial velocity?
Use this equation:
dx= v02 sin2θ/-a
Answer: 26.3 m/s