Work

Question 0

What is required for work to be done?

Answer 0

Motion

Question 1

What is work?

Answer 1

A force acting through a distance.

Question 2

Is carrying something doing work?

Answer 2

No way bro

Question 3

What is the formula for work?

Answer 3

W=FD or Work=ForcexDistance

Question 4

What is the SI Unit for force?

Answer 4

Newtons

Question 5

What is the SI unit for distance?

Answer 5

Meters

Question 6

What is the SI unit for work?

Answer 6

Joules

Question 7

What is a joule equal to?

Answer 7

1 N/m

Question 8

What is power?

Answer 8

The rate at which work is done.

Question 9

What is the SI Unit for power?

Answer 9

Watts

Question 10

What is the SI unit for time?

Answer 10

Seconds

Question 11

What is a horsepower equal to?

Answer 11

746 watts

Question 12

What are machines used for?

Answer 12

Makes work easier by changing the size of a force, the direction or the distance in which the force acts.

Question 13

What is Input force

Answer 13

The force you exert on a machine to make it preform.

Question 14

What is input distance?

Answer 14

The distance the input force acts.

Question 15

What is the work input?

Answer 15

The forcexinput distance

Question 16

What is the output force?

Answer 16

The force exerted by the machine.

Question 17

What is the output distance?

Answer 17

The distance the output force acts.

Question 18

What is work output?

Answer 18

Output force x output distance.

Question 19

What is output work always less than?

Answer 19

The input work because of friction.

Question 20

What is the formula for actual mechanical advantage?

Answer 20

Output force/input force

Question 21

What is the formula for

Answer 21

Input distance/output distance

Question 22

What is the ideal mechanical advantage of a lever?

Answer 22

Inout distance/output distance

Question 23

What is the formula for Mechanical Efficiency?

Answer 23

Work output/work input * 100

Question 24

What is a lever?

Answer 24

A rigid bar that rotates around a fixed point called a fulcrum.

Question 25

What does a lever have both of?

Answer 25

An effort force and a load (resistance force)

Question 26

What is a first call lever?

Answer 26

When the fulcrum is between the input and output force.

Question 27

What is a second class lever?

Answer 27

The output force is located between the inout force and the fulcrum. Ex. Wheel barrow,bottle opener, crowbar.

Question 28

What is a third class lever?

Answer 28

The input force is between the fulcrum and the output force. Gx: hockey stick, golf club, broom.

Question 29

What is the actual mechanical advantage?

Answer 29

The number of times the machine increases an input force.

Question 30

What will the actual mechanical advantage AMA always be less than?

Answer 30

The IMA or Ideal mechanical advantage.

Question 31

What is the mechanical efficiency?

Answer 31

The percentage of work input that becomes work output.