Science ~ Forces

Question 1

How do you show an object accelerating

Answer 1

One arrow is longer than the other

Question 2

How do you show and object staying in place

Answer 2

Both arrows are the same length

Question 3

How do you show an object moving at a constant speed

Answer 3

Both arrows are the same length

Question 4

What are the 3 main forces

Answer 4

Push, pull and twist

Question 5

What is a contact force

Answer 5

There is a contact between exerting force and receiving force

Question 6

What is a non contact force

Answer 6

The result is visible but you cannot see the contact between the force and the agent

Question 7

What are 3 contact forces

Answer 7

Friction, Upthrust, Air resistance

Question 8

What were 3 non contact forces

Answer 8

Gravity, magnetic, electrostatic

Question 9

Friction

Answer 9

Contact

Question 10

Upthrust

Answer 10

Contact

Question 11

Air resistance

Answer 11

Contact

Question 12

Gravity

Answer 12

Non contact

Question 13

Magnetic

Answer 13

Non contact

Question 14

Electrostatic

Answer 14

Non contact

Question 15

What is force measured in

Answer 15

Newtons ( n )

Question 16

What do forces work in

Answer 16

Pairs opposing each other

Question 17

What is the piece of apparatus used to measure forces

Answer 17

Newton meter

Question 18

Do objects need to touch to interact

Answer 18

No

Question 19

What are the five things forces can make objects do

Answer 19

-Speed up or start moving
-slow down or stop
-change direction
-Turn
-change shape

Question 20

Are the forces balanced or unbalanced when the arrows are uneven

Answer 20

Unbalanced

Question 21

Are the forces balanced when the arrows are the same length?

Answer 21

Balanced

Question 22

What are forces

Answer 22

Pushes, pulls or twists

Question 23

What is speed

Answer 23

A measure of how far you travel in a set amount of time 

Question 24

How do you calculate speed

Answer 24

Speed = distance
————-
Time

Question 25

How do you calculate time

Answer 25

Time = distance ————- Speed

Question 26

How do you calculate distance

Answer 26

Distance = speed x time

Question 27

What is the abbreviation for metres per second

Answer 27

M/S

Question 28

What is the abbreviation for miles per hour

Answer 28

mph

Question 29

What is the abbreviation for kilometres per hour

Answer 29

Km/h

Question 30

What does the slope of the line show in a distance time graph

Answer 30

The speed in which something is travelling

Question 31

If the line is steeper on a distance time graph what does that show?

Answer 31

That the object is moving faster

Question 32

What do flat sections show on a distance time graph? 

Answer 32

That the object has stopped

Question 33

What do downhill sections show on a distance time graph? 

Answer 33

The object is going back towards it starting point 

Question 34

What do curves represent on a distance time graph? 

Answer 34

The object is changing speed

Question 35

How do you calculate resultant force

Answer 35

Minus the smaller force from the larger force

Question 36

How do you calculate weight

Answer 36

Weight = mass x G.F.S (gravitational field strength)

Question 37

Does your mass change

Answer 37

No

Question 38

Does weight change

Answer 38

Yes

Question 39

What is the unit for measuring G.F.S

Answer 39

n/kg

Question 40

Are mass and weight the same

Answer 40

No

Question 41

What is mass

Answer 41

The amount of matter an object contains

Question 42

What is weight

Answer 42

The force of gravity acting on an object’s mass 

Question 43

What is weight measured in

Answer 43

Newtons

Question 44

What is gravity

Answer 44

Gravity is a force that acts between objects that have mass

Question 45

The greater the object mass…

Answer 45

The greater the gravity exterted by that object