A force of 62 N acts on a 35 kg object for 10.0s. What is the objects change in momentum?
1 answer:
Answer:
Δp = 620 N.s
Explanation:
- Newton's second law, was originally conceived as follows:
- In this way, a net force applied on an object, is equal to the rate of change of the momentum of the object regarding time.
for m= constant, it reduces to F= m*a.
- Replacing in (1) F= 62 N, and Δt = 10.0 s, we can solve for Δp (object's change in momentum) , as follows:
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F=mg
here, m is the mass of the object, and g is the acceleration of gravity.
To balance this gravity force, a counter force acts in the opposite direction, whose magnitude is equal to the force of gravity
