As it pulls itself up to a branch, a chimpanzee accelerates upward at 2.1 m/s2 a

Question

As it pulls itself up to a branch, a chimpanzee accelerates upward at 2.1 m/s2 at the instant it exerts a 280-N force downward on the branch. The situation is shown in (Figure 1).

Part D

Find the magnitude of the force the chimpanzee exerts on the Earth.

Express your answer to three significant figures and include appropriate units.

As it pulls itself up to a branch, a chimpanzee accelerates upward at 2.1 m/s2 at the instant it exerts a 280-N force downward on the branch. The situation is shown in (Figure 1).

Part D

Find the magnitude of the force the chimpanzee exerts on the Earth.

Express your answer to three significant figures and include appropriate units.

Explanation / Answer

net force = weight + applied force
m * 2.1m/s² = m * -9.8m/s² + 280N
solves to
m = 23.52 kg
and so his weight (the force he exerts on the Earth) is
W = 23.52 kg * 9.8m/s² = 230.58 N

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