The downward force and upward force is (pick 2 total - 1 answer per direction)
A.
Weight (downward force)
B.
Resistance (upward force)
C.
Gravity only (downward force)
D.
Applied (downward force)
E.
Normal (upward force)
2.
Gravity is mostly dependent (effected by) what item
A.
The mass of the planet
B.
The mass of the mousetrap car
C.
The normal force
D.
All choices
3.
The force of weight is dependent on what 2 items?
A.
Size of the normal force
B.
The type of material the wheels and floor is made out of (how much they grip each other)
C.
Amount of gravity (mass of the planet)
D.
Mass of the car
E.
Lever length and axle size
4.
The applied force is dependent on what 2 items?
A.
Mass of the car
B.
Axle size
C.
Size of the normal force
D.
The type of material the wheels and floor is made out of (how much they grip each other)
E.
Lever length
5.
The normal force is dependent on what?
A.
The weight pushing down
B.
Gravity of the planet (mass of the planet)
C.
The type of material the wheels and floor is made out of (how much they grip each other)
D.
Lever length and axle size
6.
The resistance force is dependent on what 2 items?
A.
Weight of the car
B.
Axle size
C.
Lever length
D.
The type of material the wheels and floor is made out of (how much they grip each other)
7.
The left force and right force is (pick 2 total - 1 answer per direction)
A.
Weight (right force)
B.
Resistance (right force)
C.
Gravity only (left force)
D.
Applied (left force)
E.
Normal (right force)
8.
What is the resistance force?
A.
Mousetrap
B.
Ground
C.
Gravity
D.
Normal
E.
Friction
9.
What is the applied force?
A.
Friction
B.
Mousetrap
C.
Lever
D.
Wheel and axle
E.
Gravity
10.
What is the normal force?
A.
Mousetrap
B.
Friction
C.
Gravity
D.
Ground
E.
Lever
11.
What is weight (pick 2)
A.
Mass of the mouse trap car
B.
Friction
C.
Normal force
D.
Gravity pushing down
E.
Lever
F.
Wheel and axle
12.
Weight and Normal force are
A.
Usually equal
B.
Always equal
C.
Sometimes equal
13.
What 2 simple machines are found on the mousetrap car?
A.
Pulley
B.
Inclined plane
C.
Lever
D.
Wheel and axle
E.
Wedge
F.
Screw
14.
The lever does what to the applied force distance? (pick 2)
A.
Shorter levers means the applied force is used over a greater distance
B.
Shorter levers means the applied force is used over a shorter distance
C.
Shorter levers means the car travels a shorter distance as it unwinds
D.
Shorter levers means the car travels a farther distance as it unwinds
15.
Simple machines allow what (pick 2)
A.
The normal force to increase
B.
Gravity to increase
C.
The applied force to increase
D.
The resistance force to increase
E.
Work to be easier (less effort)
16.
On a simple machine if the applied force increases then...
A.
The distance that the applied force is used also increases
B.
The distance that the applied force is used is unaffected
C.
The distance that the applied force is used decreases
17.
For simple machines which is true about the applied force?
A.
Their is usually a trade off. If you increase the applied force strength then the distance that the applied force is used is going to usually be decreased.
B.
Their is always a trade off. If you increase the applied force strength then the distance that the applied force is used is decreased.
C.
Their is always no trade off. If you increase the applied force strength then the distance that the applied force is used is also increased
18.
A larger axle causes...
A.
A stronger applied force
B.
A weaker applied force
C.
The distance that the applied force is used will increase
D.
The distance that the applied force is used will decrease
19.
Which 2 are true about friction?
A.
Too much friction will slow the car down too much
B.
Too little friction will cause the car to spin out
C.
You can never have too little friction. The less their is the faster the car will travel
D.
You can never have too much friction. This will cause the car to not spin out
20.
What are the 2 ways that the friction of the car can be increased?
A.
Add mass to the car
B.
Make the wheels slicker
C.
Make the wheels have less grooves in them (smooth wheels)
D.
Make the wheels have more grooves in them (rough wheels)
E.
Use a surface with less grooves in them (like tile)
21.
To make your car go faster you would do which 2?
A.
Smaller axle
B.
Larger axle
C.
Shorter lever
D.
Longer lever
22.
To make your car go faster you would do which 1?
A.
Less massive car design
B.
More massive car design
23.
To make your car go farther before it starts to coast you would do which 2?
A.
Smaller axle
B.
Larger axle
C.
Shorter lever
D.
Longer lever
24.
To make your car go farther you would do which 2?
A.
More massive car
B.
Less massive car
C.
Make sure the car has enough friction that it does not spin out
