1. A heavy boy and a light girl are balanced on a massless seesaw. If they both move forward so that they are one-half their original distance from the pivot point, what will happen to the seesaw?

Group of answer choices

a. the side the boy is sitting on will tilt downward

b. the side the girl is sitting on will tilt downward

c. nothing, the seesaw will still be balanced

d. it is impossible to say without knowing the masses and the distances

Flag question: Question 2Question 23.33 pts

1. What is the difference between the pressures inside and outside a tire called?

Group of answer choices

a. absolute pressure

b. atmospheric pressure

c. gauge pressure

d. N/m2

Flag question: Question 3Question 33.33 pts

1. Strain is

Group of answer choices

a. the ratio of the change in length to the original length

b. the stress per unit area

c. the applied force per unit area

d. the ration of stress to elastic modules

Flag question: Question 4Question 43.33 pts

1. For vibrational motion, the maximum displacement from the equilibrium point is called the

Group of answer choices

a. Amplitude

b. Wavelength

c. Frequency

d. Period

Flag question: Question 5Question 53.33 pts

1. If one doubles the tension in a violin string, the fundamental frequency of that string will increase by a factor of

Group of answer choices

a. 2

b. 4

c. 1.4

d. 1.7