Mechanics Force And Friction

Question 1

What is a push or pull acting on an object?

Answer 1

Force

Question 2

All forces acting upon any given object is called? Also called “resultant force”

Answer 2

Net force

Question 3

The _________ ALWAYS acts in the direction opposite to that of motion.

Answer 3

Force of friction

Question 4

What is the resistance to movement?

Answer 4

Friction

Question 5

What is rotational force?

Answer 5

Torque

Question 6

What 2 components determine torque?

Answer 6

1) Force
2) Distance

Question 7

_______ is directional and can be either clockwise or counterclockwise

Answer 7

Torque

Question 8

What is RPM’s and what does it determine?

Answer 8

Revolution per minute, rate of rotation

Question 9

The rate at which work is done is?

Answer 9

Power

Question 10

Force x distance=

Answer 10

Work

Question 11

What does conservation of energy state?

Answer 11

Energy is constant. Energy can’t be created nor destroyed.

Question 12

What is the equation for torque?

Answer 12

Torque= force x diameter

Question 13

3/8” bolt

Answer 13

9/16” - 11/16”

Question 14

1/2” bolt

Answer 14

3/4”- 15/16”

Question 15

5/8” bolt

Answer 15

15/16”- 1 1/16”

Question 16

3/4” bolt

Answer 16

1 1/8”- 1 1/4”

Question 17

7/8” bolt

Answer 17

1 5/16”- 1 7/16”

Question 18

1” bolt

Answer 18

1 1/2” - 1 5/8”

Question 19

What is a loss in power transmission?

Answer 19

Efficiency

Question 20

What is the efficiency equation?

Answer 20

Power out ÷ power in

Question 21

What has a linear force?

Answer 21

Work