Midterm Review

Question 1

SI base unit of mass

Answer 1

kg

Question 2

SI base unit of time

Answer 2

Seconds

Question 3

Micro

Answer 3

10^ -6

Question 4

Milli

Answer 4

10^ -3

1000mL/L

Question 5

Centi

Answer 5

10^ -2

100cm/m

Question 6

Kilo

Answer 6

10^3

1000g/kg

Question 7

Mega

Answer 7

10^6

Question 8

Speed

Answer 8

Distance/time

Can only be positive

Scalar

Question 9

Velocity

Answer 9

Displacement/time

Can be positive and negative

Vector

Question 10

Acceleration

Answer 10

Indicates a change in velocity at a given time

Vector

Question 11

Scalar

Answer 11

Describes magnitude

Question 12

Vector

Answer 12

Describes magnitude and direction

Question 13

Mass

Measured in:
Definition:
Vector/scalar:

Answer 13

Kg

An objects tendency to stay at rest or in motion, makes up an object, stays the same whether gravity changes or not

Scalar

Question 14

Weight

Measured in:
Definition:
Vector/scalar:

Answer 14

Newtons

A force of gravity acting on a mass

Vector

Question 15

Newton’s first law of motion

Answer 15

Law of inertia

An object continues in a state of rest or motion in a straight line in constant motion unless acted on by a force

Question 16

Newton’s second law of motion

Answer 16

F = ma

Question 17

Newton’s third law

Answer 17

When a force is exerted on an object, the object exerts an equal but oppositely directed force back

Question 18

SI base unit of length

Answer 18

Meter