chapter 7 Flashcards

1
Q

Potential energy (PE) is:
Select one:

A.
The product of the force applied and the distance moved

B.
Ability of a body to do work by virtue of its position

C.
The rate of doing work

D.
Capacity of a body or substance to perform work

E.
The ability of a body to do work due to its motion

A

B.
Ability of a body to do work by virtue of its position

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2
Q

Pressure can be defined as:
Select one:

A.
The amount of substance of something

B.
Force per unit area

C.
A push or pull exerted on an object

D.
The rate of change of position

E.
Capacity of a body or substance to perform work

A

B.
Force per unit area

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3
Q

Power is defined as:
Select one:

A.
Ability of a body to do work by virtue of its position

B.
The rate of doing work

C.
The ability of a body to do work due to its motion

D.
Capacity of a body or substance to perform work

E.
The product of the force applied and the distance moved

A

B.
The rate of doing work

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4
Q

Energy is defined as the:
Select one:

A.
The product of the force applied and the distance moved

B.
The rate of doing work

C.
Capacity of a body or substance to perform work

D.
A push or pull exerted on an object

E.
The amount of substance of something

A

C.
Capacity of a body or substance to perform work

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5
Q

In the “Normal Hook-up” for a block and tackle the:
Select one:

A.
Effort force is up and the Load moves up

B.
Effort force is up and the Load moves down

C.
Effort force is down and the Load moves down

D.
Effort force is left and the Load moves right

E.
Effort force is down and the Load moves up

A

E.
Effort force is down and the Load moves up

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6
Q

A Class _____ lever has the load between the effort and the fulcrum.
Select one:

A.
II

B.
III

C.
I

D.
V

E.
IV

A

A.
II

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7
Q

The equation for the Ideal Mechanical Advantage (IMA) is:
Select one:

A.
Load actual / Load given

B.
Load actual / Effort actual

C.
Effort actual / Load actual

D.
Load given / Effort given

E.
Effort given / Load given

A

E.
Effort given / Load given

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8
Q

Mass can be defined as:
Select one:

A.
Capacity of a body or substance to perform work

B.
The rate of change of position

C.
The amount of substance of something

D.
A push or pull exerted on an object

E.
Force per unit area

A

C.
The amount of substance of something

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9
Q

A turning moment or “Moment” is a/an:
Select one:

A.
Movement around a point that will cause or tend to cause rotation

B.
Movement that will tend to cause rotation

C.
Action that causes rotation

D.
Movement around a point

E.
Action around a point that will cause or tend to cause rotation

A

E.
Action around a point that will cause or tend to cause rotation

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10
Q

A force can be defined as:
Select one:

A.
A push or pull exerted on an object

B.
Pressure divided by area

C.
The rate of change of position

D.
Force per unit area

E.
The amount of substance of something

A

A.
A push or pull exerted on an object

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11
Q

The unit of pressure in the SI system is the:
Select one:

A.
Newton (N)

B.
Pascal (P)

C.
Metre per second (m/s)

D.
Kilogram (kg)

E.
Watt (W)

A

B.
Pascal (P)

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12
Q

Work is defined as:
Select one:

A.
The product of the force applied and the distance moved

B.
The ability of a body to do work due to its motion

C.
The rate of doing work

D.
Ability of a body to do work by virtue of its position

E.
Capacity of a body or substance to perform work

A

A.
The product of the force applied and the distance moved

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13
Q

Kinetic energy (KE) is:
Select one:

A.
Ability of a body to do work by virtue of its position

B.
The product of the force applied and the distance moved

C.
The ability of a body to do work due to its motion

D.
Capacity of a body or substance to perform work

E.
The rate of doing work

A

C.
The ability of a body to do work due to its motion

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14
Q

The unit of force used in the SI system is the:
Select one:

A.
Kilogram (kg)

B.
Watt (W)

C.
Joule (J)

D.
Metre per second (m/s)

E.
Newton (N)

A

E.
Newton (N)

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15
Q

The unit of mass in the SI system is the:
Select one:

A.
Joule (J)

B.
Kilogram (kg)

C.
Metre per second (m/s)

D.
Newton (N)

E.
Watt (W)

A

B.
Kilogram (kg)

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16
Q

A Class _____ lever has the fulcrum between the effort and the load.
Select one:

A.
III

B.
V

C.
II

D.
I

E.
IV

A

D.
I

17
Q

The unit of work in the SI system is the:
Select one:

A.
Newton per metre (N/m)

B.
Pascal (P)

C.
Kilogram (kg)

D.
Newton (N)

E.
Joule (J)

A

E.
Joule (J)

18
Q

Velocity can be defined as:
Select one:

A.
Capacity of a body or substance to perform work

B.
The rate of change of position

C.
A push or pull exerted on an object

D.
Force per unit area

E.
The amount of substance of something

A

B.
The rate of change of position

19
Q

The unit of velocity in the SI system is the:
Select one:

A.
Joule (J)

B.
Watt (W)

C.
Kilogram (kg)

D.
Newton (N)

E.
Metre per second (m/s)

A

E.
Metre per second (m/s)

20
Q

The equation for the Actual Mechanical Advantage (AMA) is:
Select one:

A.
Effort given / Load given

B.
Load actual / Load given

C.
Load given / Effort given

D.
Load actual / Effort actual

E.
Effort actual / Load actual

A

D.
Load actual / Effort actual

21
Q

The unit of power in the SI system is the:
Select one:

A.
Newton metre (Nm)

B.
Watt (W)

C.
Newton (N)

D.
Joule (J)

E.
Pascal (P)

A

B.
Watt (W)

22
Q

The unit of energy in the SI system is the:
Select one:

A.
Joule (J)

B.
Newton metre (Nm)

C.
Pascal (P)

D.
Kilogram (kg)

E.
Newton (N)

A

A.
Joule (J)