Final answer:
Families can achieve a positive effect on physical health by engaging in activities like taking walks together, going shopping together, or attending church together.
Step-by-step explanation:
Families can best achieve a positive effect on physical health by engaging in activities that promote exercise and bonding. One effective way is by taking walks together, as it allows families to be active while spending quality time together. Additionally, engaging in physical activities like going shopping together or attending church together can also promote physical health as these activities usually involve physical movement. Watching movies together, however, may not directly contribute to physical health as it is a sedentary activity.
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