Explain the following (a) static inertia (b) inertia of motion (c) momentum (d) impulse (e) impulsive force
Answers
Answer:
Static inertia refers to the inertia of a body at rest .
Inertia is the resistance of any physical object to any change in its state of motion
Momentum refers to the quantity of motion that an object has.It is the product of mass and velocity
Impulse is the change of momentum of an object when the object is acted upon by a force for an interval of time.
An impulsive force is a very great force acting for a very short time on a body, so that the change in the position of the body during the time the force acts on it may be neglected.
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Explanation:
(a) Static Inertia refers to the inertia of a body at rest
(b) Inertia of motion is anything with mass has inertia,and it can move. It does not have to move in order to have inertia. Inertia is the tendency of mass to remain in a constant motion, unless of force causes a change in that motion. Zero motion is also a state of constant motion.
(c) Momentum is the quantity of motion of a moving body, measured as a product of its mass and velocity.
(d) Impulse is a vector quantity defined as the product of the force acting on a body and the time interval during which the force is exerted.
(e) The force that two colliding bodies exert on one another acts only for a short time, giving a brief but strong push. This force is called an impulsive force