a 2 kg object is thrown upwards with an initial velocity of 16 m/s. At the peak

Question

a 2 kg object is thrown upwards with an initial velocity of 16 m/s. At the peak of the trajectory the approximate magnitude of the net force and acceleration are __ N and ___ m/s/s a 2 kg object is thrown upwards with an initial velocity of 16 m/s. At the peak of the trajectory the approximate magnitude of the net force and acceleration are __ N and ___ m/s/s a 2 kg object is thrown upwards with an initial velocity of 16 m/s. At the peak of the trajectory the approximate magnitude of the net force and acceleration are __ N and ___ m/s/s

Explanation / Answer

Let, we consider upwards direction +ve.

at peak of trajectory, v = 0

throughout the upwards motion, only gravity will wok on obect (downwarts)

Acceleration at  peak of the trajectory,

a = -g

a = -9.8 m/s^2

magnitude of the net force at  peak of the trajectory,

F = mg

F = 2*9.8

F = 19.6 N

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