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Question 1

What’s the units for speed

Answer 1

M/s km/hr

Question 2

What’s the unit for velocity

Answer 2

The same as speed

Question 3

What’s the unit for distance

Answer 3

Meters, kilometers

Question 4

What’s the unit for force

Answer 4

Newtons

Question 5

How do you calculate mass

Answer 5

Force divided by accerlation

Question 6

How do you calculate force

Answer 6

Mass x accerlation

Question 7

Simple machines

Answer 7

Pulleys, wheel and Axel, wedge, inclined plane, lever, screw

Question 8

How do you calculate distance

Answer 8

Speed x time

Question 9

How do you calculate time

Answer 9

Distance divided by speed

Question 10

How do you calculate speed

Answer 10

Distance divided by time

Question 11

What’s class 1

Answer 11

Fulcrum in the middle
Load and effort on Ethier end

Question 12

What’s class 2

Answer 12

Fulcrum at the end
Load in the middle
Effort at the end

Question 13

What’s class 3

Answer 13

Fulcrum at the end
Effort in the middle
Load at the end

Question 14

What’s a contact force

Answer 14

A force that results from the interaction of two objects in contact with each other

Question 15

What’s a non contact force

Answer 15

The force is not in contact with the object but it stills effects the object

Question 16

What are some contact forces

Answer 16

Push, pull, friction, air resistance, normal force, upthrust

Question 17

What are some non contact forces

Answer 17

Magnetism, gravity, electrical

Question 18

What can force change

Answer 18

An objects shape, speed and direction

Question 19

Point to point camera does?

Answer 19

Calculates the average speed for a driver from a point to another

Question 20

What does a speed camera do

Answer 20

Catches the instant speed

Question 21

What’s interia rest

Answer 21

When an object at rest has the tendency to stay at rest

Question 22

What’s interia motion

Answer 22

An object in motion the had a tendency to in motion

Question 23

Examples of lever

Answer 23

Scissors, crowbar, wheelbarrow, fishing rod, oars

Question 24

what does ma mean

Answer 24

Mechanical advantage

Question 25

How do you calculate mechanical advantage

Answer 25

Effort arm dived by load arm

Question 26

What does having a longer effort arm mean?

Answer 26

It’s more effective

Question 27

Difference between speed and velocity

Answer 27

Velocity has mangtiude with direction

Question 28

What’s mass

Answer 28

Matter contained in a object