Forces and Motion 1
True or False: An unbalanced force doesn't affect motion.
false.
The heavier an object, the more __________ is required to stop it.
Force
motion
force
What are the countries above and below the United States?
Canada and South America
According to Newton,an object in motion will do this.
Stay in motion
Do not stay in motion
stay in motion
True or False: An unbalanced force doesn't affect motion.
False
Another name for Newton's 1st law.
law of inertia
law of speed
law of inertia
This is how gravity is measured on an object.
weight
An object at rest will stay at rest unless something occurs.
Balance force
Unbalanced force
the object is acted upon by an unbalanced force
This country, which borders the Pacific Ocean, is also considered a continent.
Australia
The tendency of matter to resist a change in it's state of motion.
Definition of inertia.
Definition of speed
Definition of inertia.
The more mass an object has the more _________ it has.
speed
inertia
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.
Motion
acceleration
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.
This ocean border the state of California
The Pacific Ocean
When an object is not moving it is said to have these forces acting on it.
Balance force
Unbalance force
balanced force
While a bike sits atop a hill, it has__________ energy.
Potential
A golf ball rolls down a ramp at 5 feet per second. This is how far it will travel in 5 seconds if it maintains the same speed.
25
30
25
According to Newton's 3rd Law, for every action there is this.
equal and same reaction
equal and opposite reaction
equal and opposite reaction
True or False.
Inertia is a force.
False
The scientist who theorized gravity and the laws of motion.
Sir Isaac Newton
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.
(hint: a vacuum would have no air)
they will land at the same time in a VACUUM.
True or False: Friction decreases speed.
True
Force = Mass x _______________.
acceleration
direction
acceleration
This is how you can tell an object is moving.
the object will not have a change in position
the object will have a change in position
The object will have a change in position