physics final

Question 1

blank speed is calculated by total distance divided by total time

Answer 1

average

Question 2

blank speed does not increase or decrease (like cruise control

Answer 2

constant

Question 3

speed is at any given time (like with a radar gun)

Answer 3

instantaneous

Question 4

velocity in relation to a certain point

Answer 4

relative velocity

Question 5

list three ways to have acceleration

Answer 5

speed up, slow down, change direction

Question 6

the tendency of an object to resist any change in its motion

Answer 6

inertia

Question 7

forces acting on one object that are equal in size and opposite in direction

Answer 7

balanced

Question 8

the highest speed a falling object will reach

Answer 8

terminal velocity

Question 9

any push or pull

Answer 9

forced

Question 10

which of newton’s law is known as the law of inertia

Answer 10

1st

Question 11

which of newton’s laws states that a force will cause a mass to accelerate

Answer 11

2nd

Question 12

a pushing or pulling force that moves an object toward the center of a circular path

Answer 12

centripetal force

Question 13

the amount of moving energy an object has, dependent upon mass and velocity

Answer 13

momentum

Question 14

an object in free fall is considered to be..

Answer 14

weightless

Question 15

a measure of the force of gravity on an object

Answer 15

wieght

Question 16

anything thrown or shot through air

Answer 16

projectile

Question 17

newtons law stating, “for every action, there is an equal and opposite reaction”

Answer 17

3rd law

Question 18

basic unit to measure volume

Answer 18

liter

Question 19

basic unit to measure mass

Answer 19

gram

Question 20

what is the basic unit to measure length

Answer 20

meter

Question 21

the energy a moving object has because of its motion

Answer 21

kinetic

Question 22

stored energy is

Answer 22

potential energy

Question 23

heat energy=

Answer 23

thermal

Question 24

light energy=

Answer 24

radiant

Question 25

unit of energy

Answer 25

joule

Question 26

the total kinetic and potential energy in a system

Answer 26

mechanical energy

Question 27

unit used to measure the amount of energy you get from foods

Answer 27

calorie

Question 28

six simple machines

Answer 28

lever,pulley,incline plane,wedge,wheel and axel, screw

Question 29

the number of times a machine multiples the effort force

Answer 29

mechanical advantage

Question 30

a device that makes doing work easier

Answer 30

machine