Work
True/false is work newtons law
False
What does energy relate to
Work and Power
What is newtons first law and the meaning of it
Inertia - tendency of an object to stay in motion or in rest unless another force is applied to it.
PE+KE=?
What does ME mean
mechanical energy
Define work
Exert a force on a object and the object goes in the direction of force.
What is kinetic energy
Energy of motion
Whats newtons third law?
Every action has a equal and opposite reaction.
Equation for Newtons
N=1KG*M/S^2
newtons
Formula for work
Work=Fd
When is potential energy the highest
When kinetic energy is the lowest
What is newtons second law? (equation)
F=ma
45 PE and 65 ME what is the KE?
20=KE
what are jules
measurement units of work and energy
20 Newtons pushing farhan
Formula for kinetic energy,
True or false - Newtons equations are measured in grams
False its not grams, it kilograms
The mass of a marble is 20g and the Accelartion is 8m/s^2 what is the force that Mustafa needs to push that marble
160N
What is centripetal force
A force that keeps an object in a loop because of constant acceceleration and gravity
A crane lifts 2,000 N beam 75 meters on top of a building in 45 seconds, what is the cranes work and the power,
Work is 150,000 J
power of the crane is approximately 3333 W
Difference between the following - Gravitational potential energy and potential energy
Gravitational involves gravity and height while potential has Potential has stored energy.
Why do action and reaction forces cancel each other?
Trick question - they act upon different objects.
Sully does 120 J of work, pushing a box 4 m across the floor. What force did sully apply
F=20N
the resistance that one surface or object encounters when moving over another.