Newton's First and Second Law Review

Front

What are the two descriptors of a force vector?

Back

The magnitude in Newtons and the direction of the push or pull of the object.

Front

How do you calculate acceleration using force and mass?

Back

Acceleration (a) can be calculated using Newton's second law: a = F/m, where F is the force in Newtons and m is the mass in kilograms.

Front

What is the formula for net force when combining multiple force vectors?

Back

Net force is the vector sum of all individual forces acting on an object.

Front

What does it mean if the net force acting on an object is zero?

Back

If the net force is zero, the object will not accelerate; it will either remain at rest or continue moving at a constant velocity.

Front

State Newton's First Law of Motion.

Back

An object at rest will stay at rest, and an object in motion will stay in motion at a constant velocity unless acted upon by a net external force.

Front

What is the unit of force in the International System of Units (SI)?

Back

The unit of force is the Newton (N).

Front

How does mass affect the acceleration of an object when a constant force is applied?

Back

As mass increases, acceleration decreases for a constant applied force, according to the formula a = F/m.

Front

What is the relationship between force, mass, and acceleration?

Back

According to Newton's second law, the relationship is defined by the equation F = m * a.

Front

What happens to an object in motion if no net external force acts on it?

Back

It will continue to move in a straight line at a constant speed.

Front

How can you determine the direction of the net force acting on an object?

Back

The direction of the net force is the same as the direction of the acceleration of the object.