Show:
Newton's Laws
Motion
Machines
Formulas / Units
Energy
100
The statement "to every action there is an equal and opposite reaction" is
What is Newton's 3rd Law of Motion
100
Acceleration due to gravity is
What is 9.8 m/s2
100
What are two or more simple machines that work together called?
What is compound machine
100
This is the unit for velocity (speed)
What is meters / second
100
If a weight lifter is holding barbells above his head, what does he have to do to perform work?
What is lower barbells
200
When a force is exerted on an object, an equal and opposite force is exerted by the object. These forces are referred to as
What is action-reaction forces.
200
Friction between the tire of a moving car and the dry pavement is friction
What is rolling
200
A device that does work with only one movement and changes the size or direction of a force is a
What is simple machine
200
In the equation, p= mv, p represents _______.
What is momentum
200
The kinetic energy of an object increases as its increases.
What is velocity
300
Inertia varies depending on
What is mass
300
Motion is a change in
What is position
300
A bar that is free to pivot about a fixed point is a
What is lever
300
The unit of power is _____
What is Watt
300
The SI unit for energy is the
What is joule
400
Newton's first law of motion is also called the law of
What is inertia
400
The speed you read on a speedometer is
What is instantaneous speed
400
The amount by which a machine multiplies an effort is called the
What is mechanical advantage
400
When calculating heat, delta t (triangle t) means this.
What is change in temperature
400
A material that reduces the flow of heat by conduction, convection, and radiation is
What is an insulator
500
For any object, the greater the force that's applied to it, the greater its will be.
What is acceleration
500
The path of a projectile is
What is curved
500
An inclined plane wrapped around a cylindrical pst is a
What is screw
500
The SI unit for momentum is
What is kg x m/s
500
The energy of an object increases with its height.
What is potential