Download Nov Benchmark Study Guide

Name
Period
Date
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Physical Science November Benchmark Study Guide
Chapter 12
1.
What the formula for speed?_______________________________________________________
 What is the formula for velocity? ___________________________________________________
 What is the formula for acceleration? _______________________________________________
 What is the formula for force? _____________________________________________________
2.
What is centripetal motion? _______________________________________________________
3.
What is projectile motion? ________________________________________________________

4.
What path is followed by a projectile? ________________________________________
What are the 4 types of friction and how do they work?_________________________________
 _____________________________________________________________________________
 _____________________________________________________________________________
 _____________________________________________________________________________
 _____________________________________________________________________________
5.
Which of these 4 types is the greatest?______________________________________________
6.
What is net force? ______________________________________________________________
7.
What 3 ways can acceleration change the velocity of an object? __________________________,
________________________________________, ____________________________________
8.
What is an unbalanced force?_____________________________________________________
 What happens when one acts on an object?___________________________________________
9.
What is an balanced force?________________________________________________________
 What happens when a pair of balanced forces acts on an object?___________________________
10.
What is Newton’s First Law? ____________________________________________________
 Give an example _______________________________________________________________
11.
What is Newton’s Second Law? ___________________________________________________
 Give an example _______________________________________________________________
12.
What is Newton’s Third Law? _____________________________________________________
 Give an example _______________________________________________________________
13.
What is inertia? _________________________________________________________________
14.
If a person has a mass of 62 kg, determine their weight: ________________________________
15.
What does your weight equal? _____________________________________________________
 How do you figure your weight on the moon? _________________________________________
 What happens to weight as you get further from the earth? ______________________________
16.
What effects the gravitational attraction between 2 objects?

Stronger? ______________________________________________________________

Weaker? ______________________________________________________________
17.
What 2 forces act on a falling feather? ______________________, ____________________
18.
Which of Newton’s 3 laws involve “action-reaction” forces? ___________________________
19.
What is the SI unit for force? _______ What is it equal to? _____________________________
Chapter 14
1.
What the formula for work? _______________________________________________________
 What is the formula for power? ___________________________________________________
 What is the formula for mechanical advantage? _______________________________________
 What is the formula for ideal mechanical advantage? __________________________________
 What is the formula for efficiency? ________________________________________________
2.
What is the SI unit for work? _____________________________________________________
3.
What is the SI unit for power? ___________________________________________________

What is the old unit for power? ____________________________________________
4.
What does power measure? ____________________________________________________
5.
What is the fixed pivot point for a lever? ____________________________________________
6.
Which do you push on, the input or output arm? ______________________________________
7.
What kind of simple machine are the following devices?
 Steering wheel? _________________________________________
 Doorstop? _____________________________________________
 Broom? _______________________________________________
 Ramp? ________________________________________________
 Bolt? _________________________________________________
 Motor hoist? ___________________________________________
 Ax? __________________________________________________
8.
What is a compound machine?_____________________________________________________
9.
Explain how a simple machine like a ramp works? _____________________________________
______________________________________________________________________________
10.
Explain how a simple machine like a lever works? _____________________________________
______________________________________________________________________________
11.
In what 3 ways can a machine make work easier? ______________________________________
_____________________________________, ________________________________________
12.
If you exert a 20 N force to lift a box 2 meters, how much work did you do? ________________
 If you do 100 joules of work lifting a 20 N box, how high is the shelf? _____________________
 If you do 60 joules of works lift a box to a 2 m high shelf, how heavy was the box in n? _______
13.
If 60 N of force applied to a lever moves a 120 N rock, what was the actual mechanical advantage
of the lever? ________________
14.
A machine did 150 joules of work in 15 seconds. How much power was used? _______________
______________________________________________________________________________
15.
If a crate with a mass of 60 kg is pushed across the room at an acceleration of 2.0 m/s2 how much
force is used to push the crate? _____________________________________________________
Chapter 15
1.
What the formula for Kinetic energy? ______________________________________________
 What is the formula for Potential energy? ___________________________________________
2.
What “g” stand for? ____________________________________________________________
 What is g’s value on earth? _____________________________________________________
3.
What is work? ________________________________________________________________

What is the SI unit for work? ______________________________________________
4.
What is potential energy? _______________________________________________________
5.
What is kinetic energy? _______________________________________________________
6.
If a 40 kg shopping cart is rolling down the parking lot at 3 m/s what is the carts kinetic energy?
____________________________________________________________________________
7.
When a ball is dropped from a 2 m height:
 Where is its highest potential energy? _____________________________________________
 Where is its lowest potential energy? _____________________________________________
 Where is its highest kinetic energy? _____________________________________________
 Where is its lowest kinetic energy? _____________________________________________
 When it bounces, do any of the above answers change? _____________________________
8.
Name the 6 major forms of energy and 2 examples of each:
 __________________-- __________________________, __________________________
 __________________-- __________________________, __________________________
 __________________-- __________________________, __________________________
 __________________-- __________________________, __________________________
 __________________-- __________________________, __________________________
 __________________-- __________________________, __________________________
9.
Can energy change from one type to another?_____________________________________
10.
What is the law of the conservation of matter? _____________________________________
____________________________________________________________________________
11.
What is the mechanical energy of an object equal to? _________________________________

12.
13.
What has mechanical energy? ______________________________________________
What are solar cell? ____________________________________________________________

How do they work? ______________________________________________________

Why aren’t they everywhere? ______________________________________________
What is elastic potential energy? __________________________________________________
 Name 3 things that have it: ____________________, __________________, _______________
14.
A 10 newton bowling ball is sitting on a 2 m high shelf. What is its gravitational potential energy?
_____________________________________________________________________________
15.
What is chemical energy? _______________________________________________________
16.
What is biomass?_______________________________________________________________
 How can it be used as fuel? ______________________________________________________
17.
What are fossil fuels? ____________________________________________________________
 Name 3: ___________________, _________________________, ________________________
 Why are they a problem for the environment? ________________________________________
 Why are they in extensive use? ____________________________________________________
 What will eventually happen to them? ______________________________________________
 Which one is in the most abundance in the U.S.? ______________________________________
18.
How does a hydrogen fuel cell work? _____________________________________________

What is its main by-product? _______________________________________________

What is a benefit? ________________________________________________________
19.
What increases as an object gets warmer? ___________________________________________
20.
Draw a pendulum bob and know it’s K.E. and P.E. at different points? __________________
__________________________________________________________________________