Newtons Laws, Forces, and Math of Physics

Question 1

The gravitational force exerted on an object would likely be represented by which force vector?

Accepted Answer

↓

Question 2

The symbols for units of length in order from smallest to largest are

Accepted Answer

mm, cm, m, and km

Question 3

Which of the following is the tendency of an object to maintain its state of motion?

Accepted Answer

inertia

Question 4

The radius of Earth is 6370000m. Express this measurement in km in scientific notation

Accepted Answer

6.37 x 106 km

Question 5

Convert 14 centimeters to meters

Accepted Answer

0.14

Question 6

The symbol mm represents a

Accepted Answer

millimeter

Question 7

A change in the gravitational force acting on an object will affect the object's

Accepted Answer

weight

Question 8

The magnitude of the gravitational force action on an object is

Accepted Answer

weight

Question 9

Which of Newton's laws states that for every action there is an equal but opposite reaction

Accepted Answer

Third

Question 10

Which of the following situations describes inertia?

Accepted Answer

All of the above

Question 11

A net force of 6.8N accelerates a scooter across a parking lot.The magnitude of the scooter is

Accepted Answer

0.22 m/s2

Question 12

Newton's third law of motion involves the interactions of

Accepted Answer

Two objects and two forces

Question 13

Which of the following is true of inertia?

Accepted Answer

It is described in Newton's first law of motion

Question 14

A measure of quantity of matter is

Accepted Answer

mass

Question 15

How many centimeters are there in a stick 3 meters long?

Accepted Answer

300 cm

Question 16

Five darts strike near the center of a target. The dart thrower is

Accepted Answer

Both accurate and precise

Question 17

Maria is 123 centimeters tall. Her height is

Accepted Answer

1.23 m

Question 18

The SI unit for time is

Accepted Answer

1 second

Question 19

A loaf of bread weighs 1362 g. The weight in kilograms is

Accepted Answer

1.362 kg

Question 20

A newton is equivalent to which of the following quantities?

Accepted Answer

kg⋅m/s2

Question 21

Convert 2450 grams to kilograms

Accepted Answer

2.450

Question 22

Which are simultaneous equal but opposite forces resulting from the interaction of two objects?

Accepted Answer

action-reaction pairs

Question 23

Which of the following is the cause of an acceleration?

Accepted Answer

force

Question 24

Convert 938 milligrams to centigrams

Accepted Answer

93.8

Question 25

The SI unit base used to measure mass is the

Accepted Answer

kilogram

Question 26

The values for a metal bar are:8.83g;8.84g;8.82g. The known value is 10.68g. The values are

Accepted Answer

Precise

Question 27

A force unit is defined as the product of a mass unit and a unit of

Accepted Answer

Acceleration

Question 28

The normal force

Accepted Answer

Acts perpendicular to a surface

Question 29

The Greek letter Δ (delta) indicates a(n)

Accepted Answer

Difference or change

Question 30

What are the units of the coefficient of friction?

Accepted Answer

The coefficient of friction has no units

Newtons Laws, Forces, and Math of Physics

Questions 30

Newtons Laws, Forces, and Math of Physics

Questions 30