Forces
A Force is a _______ or a _______
Push / Pull
The Laws of Motion are named from Isaac ________
Newton
_______ is an attractive force between any 2 objects
Gravity
The unit for force is a(n) _______
Newton
You're driving in a car and you have your backpack on the passenger seat. When you slam on the brakes of the car, your backpacks flies onto the floor. This demonstrates which law of motion?
1
How many types of friction did we cover?
4
Gravity depends on 2 factors: The MASS of the 2 objects, and the _______ between them
Distance
When the net force on an object is zero, the object's motion will:
a) Not change
b) Change
a) Not change
When you kick a ball it goes at one speed, but when you kick it harder it goes faster. This demonstrates which law of motion?
2
Of all of the types of friction, which is the strongest?
Static
Gravity has a(n) __________ range
Infinite / Unlimited
Balanced forces are when the net force is equal to _________
Zero
The first law of motion is also known as the Law of __________
Inertia
Which kind of friction is Air Resistance?
Fluid Friction
When an object is falling and the force of gravity is equal to the force of air resistance, the object has reached __________ velocity
Terminal
When a balanced force acts on an object, the object will:
a) Speed up
b) Maintain its acceleration
c) Accelerate
d) Be at rest
b) Maintain its acceleration
According to Newton's 3rd Law of Motion, when a person is running, the force of what is making them move forward?
The Ground
Except for fluid friction, which type of friction is the weakest?
Rolling friction
The International Space Station (ISS) has only the force of gravity acting upon it, all other forces are negligible. When gravity is the only force acting on it, the object is said to be in ________ _________. (2 words)
Free Fall