Rankers Physics
Topic: Laws of Motion
Subtopic: Linear Momentum and Second Law of Motion

The linear momentum of a particle is given by P = a + bt², where t is time and a & b are constants. The force acting on the body is directly proportional to :
t

Solution:

Given momentum of the object is P = a + bt²;

Force is defined as rate of change of momentum F= dP/dt= 2bt. so Force is proportional to t.

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