Quiz about Test 2 Review

Question 1

What is the sum of two or more vectors?

Accepted Answer

resultant

Answer

sum

Answer

net force

Answer

answer

Question 2

What is the measure of how well a machine converts input work to output work?

Accepted Answer

efficiency

Answer

IMA

Answer

AMA

Answer

dynamics

Question 3

What is the measure of how much help a machine provides?

Accepted Answer

mechanical advantage

Answer

IMA

Answer

AMA

Answer

efficiency

Question 4

What is acceleration opposite the direction of motion?

Accepted Answer

deceleration

Answer

anti-aceleration

Answer

mechanics

Answer

displacement

Question 5

What is a simple machine consisting of a rigid bar or beam resting upon a pivot?

Accepted Answer

lever

Answer

pulley

Answer

inclined plane

Answer

wedge

Question 6

What branch of physics addresses the effects of forces on matter?

Accepted Answer

mechanics

Answer

dynamics

Answer

work

Answer

resultant

Question 7

What is the simple machine that is like a circular lever?

Accepted Answer

wheel and axle

Answer

pulley

Answer

screw

Answer

lever

Question 8

What is any change in velocity?

Accepted Answer

acceleration

Answer

deceleration

Answer

displacement

Answer

speed

Question 9

What is an object that hangs from a fixed point and swings back and forth because of gravity?

Accepted Answer

pendulum

Answer

pulley

Answer

gravity

Answer

wedge

Question 10

What type of friction affects sliding objects already in motion?

Accepted Answer

kinetic friction

Answer

static friction

Answer

coefficient of friction

Answer

force

Question 11

What is the transfer of energy from one object to another by a force?

Accepted Answer

work

Answer

power

Answer

acceleration

Answer

motion

Question 12

What is a device used to multiply force for the purpose of doing work?

Accepted Answer

machine

Answer

work

Answer

mechanics

Answer

resultant

Question 13

What is a simple machine that modifies the applied force and directs it to the side?

Accepted Answer

wedge

Answer

pulley

Answer

inclined plane

Answer

lever

Question 14

What is the center-seeking force that causes an object in circular motion to travel in a curved path?

Accepted Answer

centripetal

Answer

centrifugal

Answer

accerleration

Answer

inertia

Question 15

What is a simple machine consisting of a wheel over which a rope or cable passes?

Accepted Answer

pulley

Answer

wheel and axle

Answer

inclined plane

Answer

wedge

Question 16

What type of friction affects stationary objects, preventing them from moving?

Accepted Answer

static friction

Answer

kinetic friction

Answer

coefficient of friction

Answer

force

Question 17

What is the study of motion and forces?

Accepted Answer

dynamics

Answer

mechanics

Answer

motion

Answer

physics

Question 18

What simple machine is a sloping surface that allows an object to be raised without lifting it straight up?

Accepted Answer

inclined plane

Answer

wedge

Answer

lever

Answer

screw

Question 19

What is the state of changing position?

Accepted Answer

motion

Answer

speed

Answer

distance

Answer

velocity

Question 20

What is a simple machine resembling an inclined plane wrapped around a rod?

Accepted Answer

screw

Answer

inclined plane

Answer

wedge

Answer

ramp

Question 21

What is the rate of doing work?

Accepted Answer

power

Answer

work

Answer

joule

Answer

watt

Question 22

What is the SI unit of force?

Accepted Answer

Newton

Answer

joule

Answer

watt

Answer

kilogram

Question 23

Which branches of physics have developed since 1900?

Accepted Answer

modern physics

Answer

classical physics

Question 24

What is the distance an object travels per unit of time?

Accepted Answer

speed

Answer

velocity

Answer

displacement

Answer

motion

Question 25

Who was the first scientist to use experiments to verify his hypothesis?

Accepted Answer

Galileo

Answer

Aristotle

Answer

Newton

Answer

Einstein

Question 26

What is the SI unit of mass?

Accepted Answer

kilogram

Answer

pound

Answer

joule

Answer

watt

Question 27

Which mathematical quantity has only a magnitude?

Accepted Answer

scalar

Answer

vector

Answer

number

Answer

absolute value

Question 28

What is a space relative to which motion is measured?

Accepted Answer

frame of reference

Answer

free-body diagram

Answer

displacement

Answer

measurement

Question 29

Whose teachings dominated scientific thought for almost two thousand years?

Accepted Answer

Aristotle

Answer

Galileo

Answer

Newton

Answer

Einstein

Question 30

What is the SI unit of power?

Accepted Answer

watt

Answer

joule

Answer

kilogram

Answer

Newton

Question 31

Which branches of physics developed before 1900?

Accepted Answer

classical physics

Answer

modern physics

Question 32

Who discovered the laws of motion and gravitation?

Accepted Answer

Newton

Answer

Galileo

Answer

Aristotle

Answer

Einstein

Question 33

What is classified by the arrangement of the input arm, output arm, and fulcrum?

Accepted Answer

levers

Answer

pulleys

Answer

wheels

Answer

motions

Question 34

What is the SI unit of work?

Accepted Answer

joule

Answer

watt

Answer

Newton

Answer

kilogram

Question 35

Which mathematical quantity has both magnitude and direction?

Accepted Answer

vector

Answer

scalar

Answer

number

Answer

absolute value

Question 36

What is displacement per unit of time?

Accepted Answer

velocity

Answer

speed

Answer

distance

Answer

displacement

Question 37

What is the attractive force that exists between any two bodies and is caused by their mass?

Accepted Answer

gravity

Answer

force

Answer

momentum

Answer

terminal velocity

Question 38

What is the output distance of a screw?

Accepted Answer

pitch

Answer

vector

Answer

velocity

Answer

frame of reference

Question 39

What is the velocity at which air resistance stops a falling object from accelerating?

Accepted Answer

terminal velocity

Answer

gravitational force

Answer

momentum

Answer

speed

Question 40

What are three forms of assistance provided by simple machines?

Accepted Answer

multiply an applied force

Accepted Answer

multiply the distance a force moves something

Accepted Answer

change the direction of a force

Answer

change the output of the force

Question 41

What is Newton's first law of motion?

Accepted Answer

The velocity of an object does not change unless the object is acted upon by an external force?

Answer

Force equals mass times acceleration

Answer

For every action there is an equal and opposite reaction.

Question 42

What is Newton's second law of motion?

Accepted Answer

Force equals mass times acceleration

Answer

The velocity of an object does not change unless the object is acted upon by an external force?

Answer

For every action there is an equal and opposite reaction.

Question 43

What is Newton's third law of motion?

Accepted Answer

For every action there is an equal and opposite reaction.

Answer

The velocity of an object does not change unless the object is acted upon by an external force?

Answer

The force required to accelerate an object at a certain rate equals the object's mass times acceleration.

Question 44

Select all the scalar quantities.

Accepted Answer

50 Watts

Accepted Answer

50 degrees

Accepted Answer

12

Answer

(5, -3)

Answer

13 ft forward

Question 45

What are three main arrangements of pulleys?

Accepted Answer

block and tackle

Accepted Answer

fixed

Accepted Answer

movable

Answer

grouped

Question 46

What is a class 1 lever?

Accepted Answer

fulcrum between input and output; multiplies force and changes direction

Answer

fulcrum at one end with output near it; multiplies force but does not change direction

Answer

fulcrum at one end with input near it; multiplies distance but does not change direction

Question 47

What is a class 2 lever?

Accepted Answer

fulcrum at one end with output near it; multiplies force but does not change direction

Answer

fulcrum between input and output; multiplies force and changes direction

Answer

fulcrum at one end with input near it; multiplies distance but does not change direction

Question 48

What is a class 3 lever?

Accepted Answer

fulcrum at one end with input near it; multiplies distance but does not change direction

Answer

fulcrum at one end with output near it; multiplies force but does not change direction

Answer

fulcrum between input and output; multiplies force and changes direction

Question 49

What is the number for gravity?

Accepted Answer

9.81

Answer

3.14

Answer

100

Answer

98.6

Question 50

In the equation p=mv, what does m stand for?

Accepted Answer

mass

Answer

velocity

Answer

momentum

Answer

meters

Question 51

What does the W stand for in P = W/t

Accepted Answer

work

Answer

weight

Answer

watch

Answer

wise

Question 52

Which of these numbers would you substitute in for W in the equation P = W/t?

Accepted Answer

52 J

Answer

13 W

Answer

4 m

Answer

5 s

Test 2 Review

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Science