Forces and Speed

Question 1

What is a force?

Answer 1

A push, pull or twist.

Question 2

Air resistance / drag

Answer 2

The force on an object moving through the air that causes it to slow down.

Question 3

Balanced

Answer 3

Forces acting on an object that are the same size but act in opposite directions.

Question 4

Deform

Answer 4

To change shape.

Question 5

Drag force

Answer 5

The force acting on an object moving through the air or water, slowing it down.

Question 6

Equilibrium

Answer 6

Balanced.

Question 7

Field

Answer 7

A region in which something feels force.

Question 8

Friction

Answer 8

The force that acting against an object moving on a surface.

Question 9

Gravity

Answer 9

A non-contact force that acts between two masses.

Question 10

Kilogram - kg

Answer 10

A unit of mass.

Question 11

Lubricant

Answer 11

A substance that reduces friction.

Question 12

Magnetic force

Answer 12

The force between two magnets.

Question 13

Mass

Answer 13

The amount of matter something is made up of.

Question 14

Newton - n

Answer 14

A unit of force

Question 15

Newton meter

Answer 15

Used to measure weight in newtons.

Question 16

Pull

Answer 16

A force

Question 17

Push

Answer 17

A force

Question 18

Streamlined shape

Answer 18

Shaped to reduce air or water resistance.

Question 19

Unbalanced

Answer 19

Opposing forces are unequal.

Question 20

Water resistance

Answer 20

A force that slows down an object moving in water.

Question 21

Weight

Answer 21

The force of the Earth on an object due to mass.

Question 22

Forces Quick Quiz

Answer 22

………….

Question 23

What happens when forces are balanced?

Answer 23

The object is stationary, or moves at a constant speed.

Question 24

What happens when forces are imbalanced?

Answer 24

The object speeds up or slows down.

Question 25

How do you work out what an object's weight is on different planets?

Answer 25

Weight (N) = gravitational force x mass (kg)

Question 26

How many newtons does 1 KG weigh?

Answer 26

10N

Question 27

Speeds__________________

Answer 27

Yay Speeds________________________

Question 28

How do you work out speed?

Answer 28

Speed = Distance/time

Question 29

How do you work out distance?

Answer 29

Distance = Time x Speed

Question 30

How do you work out time?

Answer 30

Time = Distance/Speed

Question 31

What is a distance-time graph?

Answer 31

A distance-time graph is a graph which shows the time against the distance.

Question 32

Distance-time graph

Answer 32

A graph that compares the distance to the time.

Question 33

Density

Answer 33

Can be calculated by dividing the mass of an object by its volume.