Share Its all about gravity and Friction
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What is gravity?
The force that pulls objects to the ground
The Moon is stuck in orbit around the Earth, due to Earth's gravity. (True or False)
True
Gravity pulls down? (True or false)
false
Who discovered Gravity?
Sir Isaac Newton
Without Gravity the Earth would not orbit the Sun? (True or False)
True
Without Gravity we would all what?
be weightless, weightless, floating
Gravity exists between all objects that have mass (True or False)
True
There is no gravity in outerspace. (True or False)
False
Weight and mass are the same thing. (True or False)
False
Heavier objects fall faster (True or False)
False
Friction is a force that acts in an ___________ direction of movement.
opposite
Which type of friction occurs when an object moves through a liquid or gas?
fluid friction
Which type of friction occurs when solid surfaces slide over each other?
sliding friction
Which type of friction occurs when an object rolls over or rotates on a surface?
Rolling friction
Which type of friction occurs when objects are not moving?
static friction
How does friction affect speed?
more friction decreases speed
