Tasha Has Mass 20 Kg and Wants to Use a 6.0-M

question 42

Multiple Choice

Tasha has mass 20 kg and wants to use a 6.0-m board of mass 10 kg as a seesaw.Her friends are busy,so Tasha seesaws by herself by putting the support at the system's center of gravity when she sits on one end of the board.How far is she from the support point?

• A) 2.0 m
• B) 1.0 m
• C) 0.67 m
• D) 0.33 m

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Definitions:

Independent Variable

In scientific research, the variable that is manipulated or changed to observe its effect on a dependent variable.

Group Therapy Sessions

Psychotherapy that involves treating multiple clients together in a group setting.

Dependent Variable

The variable in an experiment that is expected to change in response to manipulations of the independent variable.

Control Group

In experimental research, a group of subjects who do not receive the experimental treatment and are used as a benchmark to measure the effect of the treatment.