Fluids and Newton's Laws (Buoyancy)

AP Physics 1· difficulty 2/5

A 0.50 kg0.50~\text{kg} wood block floats in water. Using g10 m/s2g \approx 10~\text{m/s}^2, the buoyant force on it is

  • A

    10 N10~\text{N}

  • B

    5.0 N5.0~\text{N}

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  • C

    00

  • D

    2.5 N2.5~\text{N}

Explanation

Floating: FB=mg=5.0 NF_B = m g = 5.0~\text{N}.

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