Newtons 1 law
Newtons first law is know as the law of _____.
inertia
Newtons second law is know as the law of_____.
Acceleration
Newtons 3rd law is known as the law of ______
Action and reaction
What launch angle will give you the greatest range in the x (horizontal) direction?
45 degrees
What is circular motion?
Object with a uniform speed moving in a circle
If you increase your mass you also increase your___
Inertia
When a force of 6 N is applied to an object, it accelerates at 20.5 m/s2. What is the mass of the object?
0.29 kg
Newtons 3rd law states that for every ________ there is a ______ ______ _______.
for every Action there is an equal and opposite reaction
What is the ball's Horizontal velocity when it reaches the top of its trajectory is it starts at 25 m/s?
25 m/s
Which of these forces can be described as the force that opposes the motion of an object as it travels in or through a fluid?
Drag force
If you compare the weight of an astronaut on the moon to the weight of an astronaut on Earth, how will the moons gravity effect astronauts MASS?
it will not
If a car with a mass of 1600 kg accelerates 20 m/s2 when an unknown force is applied to it, what is the amount of force?
32000 Newtons
If you throw a football with you hand the forces between your hand and the football are _______.
The same
What launch angle of a projectile will cover the same horizontal distance as a projectile launched at 22 degrees?
68 degrees
The resistance force that acts in the opposite direction of an applied force is called ___
Frictional force
An object is resting motionless on a surface. According to Newton's 1st Law, the object will only start to move if
an outside unbalanced force acts on it
If you quadruple the force applied to an object, how would it affect the acceleration?
the acceleration will also quadruple
when you push up against a wall but the wall, and the forces are the same, what are two of the biggest differences between you and the wall?
The direction of the force and the mass of the objects
When an object is tossed upwards what is the value of its vertical acceleration (Ay) at its highest point?
-9.8 m/s^2
if an object is undergoing circular motion and you take away its acceleration, what will happen to the object?
It will fly off tangent to the circle depending on where the the objects acceleration stopped
What is a balanced force?
Where all the forces are the same and the object either doesn't move or moves at a constant speed
if you increase the mass of an object in motion, what will happen to its acceleration?
The acceleration will decrease
A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Why does this happen?
because your foot is the action force pushing onto the boat and the reaction is the boat pushing back onto your foot. action and reaction.
If you shoot a gun and at the same time drop a bullet which will hit the ground first and why?
They will both drop at the same time because of earths gravity
What is the net force of an object with an applied force of 25 N right and 14 N left? include the direction
10 N Right