Forces and Speed

Question 1

Air Resistance

Answer 1

The force on an object moving through the air that causes it to slow down (also known as drag)

Question 2

Balanced

Answer 2

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

Question 3

Compress

Answer 3

To squash into a smaller space.

Question 4

Contact Force

Answer 4

A force that acts when an object is in contact with a surface, air or water.

Question 5

Deform

Answer 5

To change shape.

Question 6

Drag Force

Answer 6

The force acting on an object moving through air or water that causes it to slow down.

Question 7

Driving Force

Answer 7

The force that is pushing or pulling something.

Question 8

Elastic Limit

Answer 8

The point beyond which a spring will not return to its original length when the force is removed.

Question 9

Extension

Answer 9

The amount by which an object gets longer when force is applied.

Question 10

Friction

Answer 10

The force that resists movement because of contact between surfaces.

Question 11

Gravity

Answer 11

A non-contact force between two objects.

Question 12

Kilogram

Answer 12

1000grams make a Kilogram

Question 13

Lubrication

Answer 13

A substance that reduces friction between surfaces when they rub together e.g. oil.

Question 14

Magnetic Force

Answer 14

The force between two magnets, or a magnet and a magnetic material.

Question 15

Mass

Answer 15

The amount of matter (stuff) a thing is made of.

Question 16

Newton

Answer 16

The unit of a force, symbol N. Discovered by Sir Isaac Newton.

Question 17

Newton Meter

Answer 17

A piece of equipment used to measure weight in Newtons.

Question 18

Push/Pull

Answer 18

A force exerted to move an object away or towards another object.

Question 19

Reaction

Answer 19

The support force provided by a solid surface like a floor.

Question 20

Distance-Time Graph

Answer 20

The motion of an object can be described as this.

Question 21

Resistive Forces

Answer 21

Any forces that act to slow down a moving object.

Question 22

Streamlined

Answer 22

Shaped to reduce resistance from air or water.

Question 23

Tension

Answer 23

A stretching force.

Question 24

Unbalanced

Answer 24

When the opposing forces of an object are not equal

Question 25

Water Resistance

Answer 25

The force of an object moving through the water that causes it to slow down (also known as drag).

Question 26

Weight

Answer 26

The force that pulls objects to the centre of the Earth.

Question 27

Force

Answer 27

Something that when it is added to an object it changes its direction or speed.

Question 28

Upthrust

Answer 28

A force pushing upwards on an object in a liquid.

Question 29

Thrust

Answer 29

A push caused by an engine.

Question 30

Lift

Answer 30

A force pushing upwards on an object flying through the air.

Question 31

Speed

Answer 31

Distance / time

Question 32

Distance

Answer 32

Speed x time

Question 33

Time

Answer 33

Distance / speed

Question 34

Best fit

Answer 34

A line that goes through the majority go the points on a graph missing out anomalies.

Question 35

Anomaly

Answer 35

A result that varies greatly from the trend.

Question 36

Extension equation

Answer 36

New length - original length

Question 37

Equilibrium

Answer 37

Balanced

Question 38

Density

Answer 38

mass / volume