Dynamics in Physics

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Which term refers to an external cause in the form of push or pull that produces or tries to produce motion in a body?

Force (correct)

Inertia

Velocity

Mass

What is the branch of physics that studies the motion of a body considering the cause of motion?

Static physics

Kinematics

Dynamics (correct)

Quantum physics

According to Newton's first law of motion, what happens to a body when no external force is applied to it?

It moves with increasing velocity

It changes its direction constantly

It moves with constant velocity (correct)

It comes to rest

What term is used to describe the property with which a body resists any change in its state of motion?

Inertia Signup and view all the answers

What is the term for the inability of a body to change its state of rest or uniform motion by itself?

Inertia Signup and view all the answers

What is the simplest frame of reference used to describe and understand the motion of particles?

Inertial frame Signup and view all the answers

Which law states that when an external force is applied to a body of constant mass, the force produces an acceleration directly proportional to the force and inversely proportional to the mass of the body?

Newton's Second Law Signup and view all the answers

What is the definition of linear momentum?

The product of the mass of the body and its velocity Signup and view all the answers

Which principle states that to every action there is an equal and opposite reaction force?

Newton's Third Law Signup and view all the answers

What is impulse in physics?

The product of force and the small time interval for which it acts Signup and view all the answers

Which law states that the total momentum of an isolated system of particles is conserved?

Law of Conservation of Momentum Signup and view all the answers

What are concurrent forces?

Forces acting at one point Signup and view all the answers

In what condition are concurrent forces said to be in equilibrium?

When there is no change in the position or state of motion of the body they are acting on Signup and view all the answers

What is the weight of a body?

The force with which the earth attracts a body towards its center Signup and view all the answers

What are some simple applications of the law of conservation of linear momentum?

"Recoiling of a gun, flight of rockets, and jet planes" Signup and view all the answers

Dynamics in Physics

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