Exam Sem 1

Question 1

the point at which an object is located -

Answer 1

position

Question 2

the total length covered -

Answer 2

distance

Question 3

how far you are from where you started -

Answer 3

displacement

Question 4

the distance traveled divided by the time it takes to travel that distance -

Answer 4

speed

Question 5

total displacement divided by the time it takes to travel that distance -

Answer 5

velocity

Question 6

occurs with any change in speed, direction, or both -

Answer 6

acceleration

Question 7

a quantity that has both magnitude and direction -

Answer 7

vector

Question 8

a quantity that only has magnitude or size

Answer 8

scalar

Question 9

any object producing curved motion -

Answer 9

projectile motion

Question 10

the speed at any instant -

Answer 10

instantaneous speed

Question 11

when a motion of an object is only under the influence of gravity -

Answer 11

free fall

Question 12

a push or a pull -

Answer 12

force

Question 13

maximum speed an object can obtain wile falling -

Answer 13

terminal velocity

Question 14

Newton’s First Law -

Answer 14

When no forces act on an object, that object will either remain at rest or continue to move along a straight line w constant speed

Question 15

the tendency of a body to keep doing what it is doing -

Answer 15

inertia

Question 16

a measure of inertia -

Answer 16

mass

Question 17

the force of gravity on an object -

Answer 17

weight

Question 18

Newton’s Second Law -

Answer 18

the acceleration of an object is proportional to the force impressed on it; and is made in the direction of the line in which that force is impressed

Question 19

the force that acts between materials that touch as they move past each other -

Answer 19

friction

Question 20

the force between two surfaces that keep an object from moving

Answer 20

static friction

Question 21

the opposing force between 2 surfaces that are sliding against each other -

Answer 21

kinetic friction

Question 22

Newton’s Third Law -

Answer 22

forces always occur in pairs

Question 23

the amount of force per unit area, measures in Pa -

Answer 23

pressure

Question 24

force x distance -

Answer 24

work

Question 25

the rate at which work is done -

Answer 25

power

Question 26

that which enables an object to do work -

Answer 26

energy

Question 27

stored energy; the energy of position -

Answer 27

potential energy

Question 28

energy of motion -

Answer 28

kinetic energy

Question 29

energy cannot be created nor destroyed, it can be transformed from one form into another, but the total amount of energy never changes -

Answer 29

law of conservation of energy

Question 30

the energy due to the position of something or the movement of something -

Answer 30

mechanical energy

Question 31

whenever work is done, energy changes -

Answer 31

work-energy theorem

Question 32

work-energy theorem -

Answer 32

whenever work is done, energy changes

Question 33

total distance divided by total time -

Answer 33

average velocity

Question 34

acceleration due to the force of gravity -

Answer 34

gravity

Question 35

sticky-ness between 2 surfaces -

Answer 35

coefficient of friction

Question 36

parallel and perpendicular force -

Answer 36

when an object is on an incline