Starting from Rest, a 4

question 80

Multiple Choice

Starting from rest, a 4.0-kg body reaches a speed of 8.0 m/s in 2.0 s. What is the net force acting on the body?

• A)2.0 N
• B)4.0 N
• C)8.0 N
• D)16 N
• E)32 N

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Definitions:

Scientific Method

A systematic and logical approach to discovering how things in the universe work, involving observation, hypothesis, experiments, and conclusion.

Testing Hypothesis

The process of using statistical methods to determine if there is enough evidence to support a proposed explanation or theory.

Study Participation

Involves individuals willingly taking part in research to contribute to knowledge, which can range from filling out questionnaires to being part of experimental treatments.

Negative Reinforcement

A behavioral principle where the removal of an unpleasant stimulus strengthens a behavior or increases the likelihood of its repetition.