How do force and mass affect motion?

Answer 1

Usually force doesn't depend on velocity that there is no change in force with motion, but in case when you work with the magnetic field and a charge particle you will have dependence on velocity (the force is proportional to velocity). Also in the case of hydrodynamics there are at least two kind of forces (streaktly saying the same force but for different conditions) you will have straight proportinal dependence from the velocity for low velocities, and it is propartinal to v^2 for high velocities.

Answer 2

An object can move with constant speed if there are no forces acting on it

According to the three laws of Newton:

1st law

If the net force on an object is zero then the object moves with constant speed (zero or non zero).

2nd law

F=ma where F(vector) is the net force on an object, m(scalar) is its mass and a(vector) is its acceleration (or second time derivative of displacement). If you have an expression of the forces that are acting on an object and you have the knowledge to solve differential equations you can find an object's motions using this formula.

3rd law

If an object exerts a force on a second object then the second object also exerts a force on the first with the same magnitude but in the opposite direction

Answer 3

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Answer 4

Force and mass affect motion as motion means velocity, and Newton's Laws of Motion are the perfect laws that states the relation among force, mass and motion. They are:-

Newton's First Law of Motion states that

"an object in motion will stay in motion unless acted on by an unbalenced force."

This law also states about the laws of inertia i. e inertia of rest & and uniform motion.

Newton's Second Law of Motion states that

"The momentum of a body is directly proportional to the force applied and takes the direction of the applied force."

In this law, we get one equation i. e

F = m * a

where F is Force applied, m is mass of the body and a is acceleration of the body.

Newton's Third Law of Motion states that

"To every action, there is an equal and opposite reaction."

It can also be interpreted as

"Action and reaction are equal and opposite to one another."

After this, Newton proposed three equations, widely known as Equations of Motion which are as follows:-

v = u + (a * t)

s = (u * t) + [(1 / 2) * a * t2 ]

v2 = u2 + (2 * a * s)

According to these equations only force and mass affect motion.

Answer 5

how force affects the way things move is affect motion while more forces may cause the change shape or size of body