1
True or False: An unbalanced force doesn't affect motion.
false.
The heavier an object, the more __________ is required to stop it.
force
True or false
An example of a non-contact force is pushing someone on a swing.
False
According to Newton,an object in motion will do this.
stay in motion
True or False: An unbalanced force doesn't affect motion.
False
Another name for Newton's 1st law.
law of inertia
This is how gravity is measured on an object.
weight
An object at rest will stay at rest unless something occurs.
the object is acted upon by an unbalanced force
According to Newton,an object at rest will do this.
Stay at rest
The tendency of matter to resist a change in it's state of motion.
Inertia.
The more mass an object has the more _________ it has.
inertia
A car and a large truck are rolling down a hill. This will take more force to stop it.
the truck.
This is a change in speed or direction
acceleration
A rocket taking off is an example of Newton's laws.
Newton's 1st Law
Newton's 2nd Law
Newton's 3rd Law
Newton's 3rd Law.
Newton's third law says ...
For every action, there is an equal and opposite reaction
When an object is not moving it is said to have these forces acting on it.
balanced force
Newton's second law says ...
Force = mass x acceleration
If the same force is applied to a 5 pound box and a 50 pound box, this one will move farther and faster
The 5 pound box
According to Newton's 3rd Law, for every action there is this.
equal and opposite reaction
True or False.
Inertia is a force.
False
Newton's first law says ...
A body in motion will stay in motion or a body at rest will stay at rest unless acted on by an outside force
In a vacuum, a feather and a bowling ball are dropped from the same height at the same time. This describes the order of how the two objects will land.
they will land at the same time in a VACUUM.
they will land at the different time in a VACUUM.
they will land at the same time in a VACUUM.
True or False: Friction decreases speed.
True
Force = Mass x _______________.
acceleration
Friction happens due to...
(list three things)
Weight
Material / texture
Shape
Speed
If the surface is wet