Fast Facts Flashcard: Dynamics

Front

The net force on an object in equilibrium is __________.

Back

zero

Front

On an incline of angle Θ, the perpendicular component of weight is equal to __________.

Back

mgcosΘ

Front

This is also called the force due to gravity.

Back

weight

Front

One rope has ________ tension(s).

Back

one

Front

A _________ is a push or a pull applied by one object and experienced by another object.

Back

force

Front

The formula for calculating weight is __________.

Back

Weight = mass × gravity (W = mg)

Front

The unit of force in the International System of Units (SI) is __________.

Back

Newton (N)

Front

The law that states that an object at rest stays at rest and an object in motion stays in motion unless acted upon by a net external force is known as __________.

Back

Newton's First Law of Motion

Front

The force that opposes the motion of two surfaces in contact is called __________.

Back

friction

Front

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass, according to __________.

Back

Newton's Second Law of Motion (F = ma)