Forces

Question 1

Weight

Answer 1

Pulls things downwards

Question 2

Air Resistance

Answer 2

Acts against anything moving through air

Question 3

Friction

Answer 3

Acts against anything moving

Question 4

Upthrust

Answer 4

Keeps things afloat

Question 5

A Force

Answer 5

Push or a Pull

Question 6

Resultant Force

Answer 6

The different forces acting on a object that aren’t equal.

Question 7

Weight is measured in…

Answer 7

Newtons

Question 8

Mass

Answer 8

A measurement of how much of something there is.

Question 9

Weight =

Answer 9

Mass x gravitational field strength (e.g earth’s is 10N)

Question 10

Friction always opposes…

Answer 10

Motion

Question 11

Three things that makes a streamlined shape are

Answer 11

1. Rounded front
2. Slowly tapering tail
3. Smooth shape with no projections

Question 12

2 ways to reduce friction are…

Answer 12

1. Lubrication

2. Streamlining

Question 13

Density =

Answer 13

Mass / Volume

Question 14

A solid item will float on water if it is…

Answer 14

Less dense than water

Question 15

Wood will ____ on water

Answer 15

float

Question 16

The rougher a surface is the _____ friction it will have

Answer 16

more

Question 17

Speed =

Answer 17

Distance / Time

Question 18

To measure weight you can use a…

Answer 18

Newton meter

Question 19

Tension

Answer 19

A stretching force

Question 20

Driving Force

Answer 20

A force that is pushing or pulling something

Question 21

Drag force

Answer 21

A force acting on an object to slow it down

Question 22

A distance - time graph represents a…

Answer 22

Journey.

Question 23

In a distance time graph the ‘Distance’ goes on the…

Answer 23

y axis ( therefore ‘Time’ would be on the x axis)

Question 24

If the graph shows a straight diagonal line going up, the object is…

Answer 24

Moving at a constant speed

Question 25

If the graph shows a flat line, the object is...

Answer 25

At rest

Question 26

If the graph is showing the object is accelerating, there will be a...

Answer 26

Curved Line

Question 27

If the graph is showing the object is returning to the start there will be a...

Answer 27

Diagonal line going down

Question 28

100g is equivalent to ___N on earth.

Answer 28

1

Question 29

To draw a force diagram the arrow needs to be __ the object the force is acting on.

Answer 29

on

Question 30

Gravity

Answer 30

A non-contact force that acts between two masses.