Kinetics and Dynamics (CH1)

Question 1

What is the standard measurement for mass?

Answer 1

Kilograms or Kg

Question 2

What is the standard measurement for currents?

Answer 2

ampere (coulumbs/second) or A

Question 3

What is the standard measurement for temperature?

Answer 3

kelvins or K

Question 4

What is the standard measurement for the luminous intensity?

Answer 4

candela or cd

Question 5

Every object in a state of motion will remain in that state of motion unless an external force acts on it.

Answer 5

Newton’s First Law (Law of Inertia): F = MA = 0

Question 6

Force equals mass times acceleration.

Answer 6

Newton’s Second Law

Question 7

For every action, there is an equal and opposite reaction.

Answer 7

Newton’s Third Law (F = -F)

Question 8

If an object’s motion is changing, as indicated by a change in velocity, then the object is experiencing what?

Answer 8

Acceleration

Question 9

Torque is greatest when?

Answer 9

When perpendicular (90 degrees).

Question 10

Physical quantities that can have both magnitude and direction.

Answer 10

Vectors

Question 11

Physical quantities without direction.

Answer 11

Scalars