Vectors have...
Magnitude and direction!
Projectiles are only affected by...
Gravity
Weight always acts...
Uniform circular motion describes the motion of an object travelling at ?? in a circle due to a force acting on the object in a direction ?? to the velocity of the object.
constant speed
perpendicular
The force of attraction between two objects depends on which two factors?
The objects' masses.
The distance between the objects.
Vectors are depicted using...
Arrows
Acceleration only occurs ?
vertically
Give two differences between weight and mass
weight - force, measured in Newtons, affected by gravity
mass - amount of matter, measured in kg, not affected by gravity
Towards the centre
What solar body in our solar system has the least gravity?
Vectors are added...
Tip to tail
The horizontal displacement is also called?
The range.
What is the definition for Normal Force?
The force acting along an imaginary line drawn perpendicular to the surface.
When spinning in a Gravitron, what pushes you into the wall?
Inertia
What is this the definition for (according to Amazon)?
'someone who creates her own health and happiness by recovering her natural healing power, making herself shine brightly like the sun'
Solar Body
Vectors, such as 20m/s at 30o above the horizontal, should be resolved into...
x and y componenets
Which of the following is/are not projectiles?
Glider
Javelin
Aeroplane
Dart
Glider and Aeroplane
Another term for inclined plane?
Ramp
Increasing the radius of circular motion has what affect on velocity?
Velocity increases
What is 6.67 x 10-11 Nm2/kg2?
G
or
Gravitational constant
A living organism that transmits an infectious agent from an infected animal to a human or another animal is called a ?
vector!
Parabola
Friction always acts
to oppose gravity
If a spinning top spins at 120rpm, what is the period?
0.5s
What year did the movie Gravity hit cinemas?
2013