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WorksheetsUnit 1 T2-3 CBA
Total questions: 34
Worksheet time: 27mins
Name
Class
Date
1.
A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?
a)
Balanced Forces, No change in motion
b)
Balanced Forces, change in motion
c)
Unbalanced Forces, No change in motion
d)
Unbalanced Forces, Change in motion
2.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move up.
3.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move in both directions.
4.
What is the unit of force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
5.
The force that opposes the motion of two surfaces sliding past each other is called ___________.
a)
acceleration
b)
inertia
c)
friction
d)
unbalanced
6.
On the Picture the balloon pushes the air right. What is the second force in this interaction pair?
a)
The air pulls the ball left
b)
Gravity pulls the balloon down
c)
The air pushes the balloon left.
d)
The air pulls the balloon right.
7.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
8.
a)
Potential Energy
b)
Kinetic Energy
9.
a)
Potential Energy
b)
Kinetic Energy
10.
a)
Potential Energy
b)
Kinetic Energy
11.
a)
Potential Energy
b)
Kinetic Energy
12.
Which would be greater at Position 1?
a)
Potential Energy
b)
Kinetic Energy
13.
Which would be greater at Position 2?
a)
Potential Energy
b)
Kinetic Energy
14.
Two factors that determine work are
a)
size of the force, and distance
b)
size of the force, and type of force
c)
mass, and distance
15.
Which is an example of someone doing work?
a)
a boy standing on a football field
b)
a banker carrying money across a bank
c)
a mother pushes a stroller up a ramp
d)
A girl waiting for a friend at her locker
16.
A person applies a force to a wall.
a)
Work is done because the person uses energy when applying the force
b)
Work is done because the wall heats up at the place where the force is applied
c)
No work is done
17.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
18.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
19.
What kind of energy is in gasoline in a car tank (car is not on)?
a)
Potential
b)
Kinetic
20.
At which point is potential energy greatest
a)
W
b)
X
c)
Y
d)
Z
21.
The glow sticks produce light for a short amount of time. The energy transformation in the glow sticks is...
a)
heat energy to light energy
b)
gravity to inertia
c)
electrical energy to light energy
d)
chemical energy to light energy
22.
When you eat pizza, Chemical Energy is transferred to _____ Energy.
a)
Solar
b)
Electrical
c)
Mechanical
d)
Chemical
23.
Mechanical Energy is transferred to _____ Energy.
a)
Solar
b)
Mechanical
c)
Electrical
d)
Potential
24.
The Law of Conservation of Energy states that...
a)
energy can be destroyed
b)
energy can not be created or destroyed
c)
energy can only be destroyed using the force
25.
If these boys are pulling with the same amount of force. What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
26.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
27.
Force
a)
The amount of energy needed to make something move
b)
Newton's laws
c)
A push or a pull
d)
The ability to do work
28.
Which energy conversion is taking place when you put gasoline in a car?
a)
thermal -> electrical
b)
mechanical -> electrical
c)
chemical -> mechanical
d)
mechanical -> electromagnetic
29.
The purpose of the panels is to change solar energy into ____________.
a)
light energy
b)
electrical energy
c)
chemical energy
d)
mechanical energy
30.
The diagram below shows a hot air balloon rising. Propane gas tanks are seen at the bottom of the balloon. What energy transformations occur when propane gas is used to lift the balloon?
a)
Mechanical to light to chemical
b)
Chemical to mechanical to thermal
c)
Thermal to chemical to light
d)
Chemical to thermal to mechanical
31.
What force causes the acceleration at Section 4?
a)
Force of Gravity Increases the Speed
b)
Force of Gravity Decreases the Speed
c)
Force of Friction Increase the speed
d)
Force of Wind resistance Increases the Speed
32.
The plate shown suddenly move. Describe the forces and resulting motion.
a)
Balanced Forces, No change in motion
b)
Balanced Forces,change in motion
c)
Unbalanced Forces,No change in motion
d)
Unbalanced Forces, change in motion
33.
Describe the forces and motion at Point 1.
a)
Balanced Forces, No change in motion
b)
Balanced Forces, change in motion
c)
Unbalanced Forces, No change in motion
d)
Unbalanced Forces, change in motion
34.
Describe the forces and motion at Section 2 of the track.
a)
Balanced forces, No change in motion
b)
Balanced Forces,Change in motion
c)
Unbalanced Forces, No change in motion
d)
Unbalanced Forces, Change in motion
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