Ch5 Dynamics

Front

What is defined as a PUSH or PULL on a system?

Back

Force

Front

If a force of 30 N is applied to a mass of 6 kg, what is the acceleration? (Use F = ma)

Back

5 m/s²

Front

What does it take to change the direction or speed of an object?

Back

An unbalanced force

Front

Which of the following is an example of static friction? (Car parked on a steep hill, Baseball player slides into homeplate, Lightning causing thunder to sound, Balloon clinging to the wall)

Back

Car parked on a steep hill

Front

What is the weakest of the four fundamental forces?

Back

Gravity

Front

What is the formula for calculating force?

Back

F = ma (Force = mass × acceleration)

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is the difference between balanced and unbalanced forces?

Back

Balanced forces do not change an object's motion; unbalanced forces do.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

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

Back

Newton (N)