Muscular force — task. Science CBSE, Class 8 New.

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Choose the correct answer:

1. Which of the following activities mainly involves muscular force?

Attraction between a magnet and iron
Falling of a stone from a height
Lifting a school bag
Movement of the moon around the Earth

2. Which action inside the human body shows continuous use of muscular force?

Hearing sound waves
Thinking in the brain
Reflection of light in the eye
Pumping of blood by the heart

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