1st Nine Weeks Test Flashcards
_____ is speed in a given direction
Velocity
If you know the _____ an object travels in a certain amount of time,you can calculate the ____ of the object
Distance,Speed
The rate at which velocity changes is called
Acceleration
The force that two surfaces exert in each other when they rub against each is called
Friction
The more mass an object has the ___ the gravitational pull
More
The less distance between objects, the ____ the gravitational pull.
More
True or false? Speeding up my car is changing the acceleration of the car?
True
True or false?
Slowing down my car is changing the acceleration of the car?
True
True or false?
Turning the car around a corner to travel in a different direction is not changing the acceleration of the car?
False
The force of gravity only acts on the objects on Earth
False
Objects fall to the ground at the same rate regardless of their mass
True
A rocket blasting off is an example of Newtons 2nd law
False
A bullet leaving a gun is an example of Newtons 3rd law
True
A push or pull is called a
Force
The force that pulls objects toward each other is called
Gravity
