2nd Semester Physics Review

Question 1

What kind of circuit is this?

Accepted Answer

parallel and closed

Question 2

The law of inertia applies to

Accepted Answer

both moving and nonmoving objects

Question 3

what is an appropriate unit for momentum

Accepted Answer

kg•m/s2

Question 4

An amount of space between two things or people

Accepted Answer

distance

Question 5

the rate at which some one/thing is able to move or operate

Accepted Answer

speed

Question 6

Which equation is for gravitational potential energy?

Accepted Answer

PE=mgh

Question 7

What is the equation for density

Accepted Answer

d=m/v

Question 8

Which unit can work be measured in

Accepted Answer

joules

Question 9

In which type of circuit is it possible for bulbs to stay lit even after one goes out

Accepted Answer

parallel

Question 10

The index of refraction for air is always ____ and the index of refraction for water is _____

Accepted Answer

1;1.33

Question 11

Power is measured in

Accepted Answer

watts

Question 12

WHich is mostly always on the x-axis in a position time graph

Accepted Answer

time (s)

Question 13

The normal line is always ______ to the mirror.

Accepted Answer

perpendicular

Question 14

What limits energy so the appliance does not burn out?

Accepted Answer

Ground Wire

Question 15

___is all rays going in the same direction; __ is when they are scattered due to rough surfaces

Accepted Answer

specular reflection; diffuse reflection

Question 16

What slows down a current by using some of the energy from the current

Accepted Answer

resistor

Question 17

momentum before and after must always add up to

Accepted Answer

0

Question 18

∑

Accepted Answer

sigma

Question 19

Whats the gravitational attraction if the attraction is 6N and the mass of one is doubled?

Accepted Answer

12N

Question 20

At what point in a roller coaster have the most potential energy?

Accepted Answer

b

Question 21

WHat does a horizontal line, parallel to the axis mean in a velocity time graph?

Accepted Answer

The object is at a constant velocity

Question 22

what is the equation for weight?

Accepted Answer

w=mg

Question 23

Acceleration is....

Accepted Answer

the rate of change of displacement

Question 24

In general, as the mass of 2 objects increase, the gravitational force of them

Accepted Answer

increases

Question 25

As two objects move farther apart, the gravitational force acting upon them

Accepted Answer

decreases

Question 26

a railroad car moving very quickly has

Accepted Answer

a lot of momentum

Question 27

If you stepped on a scale on the moon how would the measurement change

Accepted Answer

would be less

Question 28

The Law of Reflection states

Accepted Answer

The angle of incidence is equal to the angle of reflection.

Question 29

WHat is the equation for force?

Accepted Answer

F=MA

Question 30

Complete the sentence: For every action force there is a _________ force

Accepted Answer

reaction

Question 31

The change in direction of light due to change in speed as it passes from one medium to another

Accepted Answer

Refraction

2nd Semester Physics Review

Questions 31

2nd Semester Physics Review

Questions 31