What are you doing this weekend?

Studying for my class, Reading my Bible, Watching 'Interstellar' for Physics extra credit, Playing videogames

An example of Gravitational potential energy is:

The attraction between Moon and Earth

A quantity that shows how much energy is well used

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Work and simple machines

15 termsStudBud Administration

Physics quiz to quiz the concept of simple machines and work.

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Questions 15

Answers

1
What is perpetual motion?
It can be achieved
Energy that is always conserved
Neverending motion
There are some machines that can perform it
2
Which of the following is an example of a wedge:
Pulley
Broom
Axe
Ramp
3
Simple machines
Facilitate a work
None of the above
Create more energy
Transform Energy
4
According to ________________ perpertual motion can't be achieved
Laws of Thermodynamics
Quantum Physics
Mechanical efficiency
Laws of motion
5
Another name for fulcrum is:
Lever
What?
Pivot
Kinetic Energy
6
An example of kinetic energy
A piano being held by a rope
A person running at 10 m/s
The force field of the Earth
The interaction of atoms
7
An example of elastic potential energy is:
A car speeding up
A rock falling from a cliff
A rubber band being stretched
Lifting a weight
8
Where is most likely to find simple machines
In the mechanical tools
In your house
In a classroom
Everywhere
9
Which is not an example of a lever?
Seesaw
Wedge
Pulley
Broom
10
Which is not an example of a simple machine:
A Wheel
A Ramp
Mechanical Energy
Scissors
11
What are you doing this weekend?
Studying for my class
Reading my Bible
Watching 'Interstellar' for Physics extra credit
Playing videogames
12
In a frictionless machine:
The length arm of the lever is greater
The input energy is more than the output
Mechanical advantage is 100%
friction is conserved
13
Ideal pulleys change the direction of:
Force
Gravitational Field
Lever
Velocity
14
An example of Gravitational potential energy is:
A truck slowing down
Water flowing in a river
A spring being compressed
The attraction between Moon and Earth
15
What is efficiency?
A quantity that shows how much energy is well used
Energy lost in a mechanical process
The amount of energy in order to do work
Energy that can be used

Work and simple machines Flashcards | StudBud