Physics Homework
Emily Donato
October 2, 2019
Ch. 4 #’s 17, 21, 33, 40
17.
a. Object B has the largest mass
b. Object C has the smallest mass
c. They have a 2:3 ratio
21. Mass= .25 kg
33. Force of gravity, Weight force, Kinetic force of friction
40. Force of gravity, force of weight (I don’t understand what this question is asking for an
answer)
Ch 5 #’s 1, 11, 15, 16
1. T1= 87 N, T2= 50 N
11. ax= 2 m/s2
Ay= 1.5 m/s2
15.
a. 20.81 kg
b. 9.09 kg
16.
a. 540 N
b. 89.1 kg