When you describe how fast something is moving, you are describing its...
A.
Speed
B.
Velocity
C.
Direction
2.
If you know both the speed of an object and the direction in which it is moving, then you know the object's...
A.
Speed
B.
Velocity
C.
Distance
3.
Which of the following are examples of forces?
A.
Buoyance, gravity and magnetism
B.
Buoyance, relativity and magnetism
C.
Floating, pulling and pushing
4.
The three types of friction are...
A.
Sliding, momentary and rolling.
B.
Rolling, static and continuous
C.
Static, sliding and rolling
5.
These type of forces are equal in strenght and opposite in direction.
A.
Momentary force
B.
Balanced force
C.
Weightlessness
6.
A diver jumping down on a diving board and a baseball player swinging a bat to hit a ball are examples of situation involving...
A.
Inertia
B.
Gravity
C.
Action - Reaction
7.
An object's tendency to keep moving at the same speed and in the same direction is called...
A.
Inertia
B.
Gravity
C.
Force
8.
It is any push or pull on an object...
A.
Distance
B.
Friction
C.
Force
9.
This Law of Newton states that an object remains at rest or continues in uniform motion unless it is compelled to change by the action of an external force.
A.
First Law - Law of Inertia
B.
First Law - Law of dynamics
C.
First Law - Law of acceleration
10.
What Newton's Law does this picture represent?
A.
Newton's First Law of motion shows that a net force is needed in order for an object to accelerate.
B.
Newton's Second Law of motion shows the relationship between acceleration and the force acting upon an object.
C.
Newton's Third Law of motioion states that for every action force, there is an equal and opposite reaction force.
11.
Which of these represent the Third Law of Newton?
A.
Option A
B.
Option B
C.
Option C
12.
What image represents the Law of action-reaction?
A.
Option A
B.
C.
13.
What Newton's Law of motion applies for this picture?
A.
First Law - Law of Inertia
B.
Second Law - Law of Dynamics
C.
Third Law - Action-Reaction
D.
None of them are correct
14.
Which of the following is an example of Newton´s First Law?
A.
A person is unable to walk on the ground without the ground’s frictional force.
B.
It takes a smaller extra force to propel a small yacht at sea than to propel a supertanker .
C.
A driver or passenger in a moving car who is not wearing a seat belt will be thrown forward when the car suddenly stops because he remains in motion.
15.
It is the stored energy of objects, attributed to and object's mass an possition...
A.
Kinetic Energy
B.
Mechanical Energy
C.
Potential Energy
16.
What statement describes Kinetic Energy?
A.
Store energy attributed to an object's mass and possition.
B.
Energy of motion attributed to an object's mass and speed.
C.
The combination of stored energy and energy of motion.
17.
Which of the following statements describes the Law of Conservation of Energy?
A.
Energy cannot be created and cannot be destroyed… energy only changes
B.
All forms of energy have a source, a mean of transfer and a receiver.
C.
When store energy changes into motion it becomes mechanical energy.
18.
When you multiply a force that is expressed in newtons by a distance expressed in meters, the answer is expressed in...
A.
Watts
B.
Joules
C.
Newtons
19.
It is the ability to do work...
A.
Power
B.
Force
C.
Energy
20.
A rock located high above the ground and a stretched rubber band are two examples of What type of energy?
A.
Potential Energy
B.
Kinetic Energy
C.
Mechanical Energy
21.
When you ride a bycicle, you body's energy changes as you pedal...
A.
Kinetic to Potential Energy
B.
Heat to Thermal Energy
C.
Potential to Kinetic Energy
22.
Power is the amount of ___________________________ done divided by time.
A.
Work
B.
Force
C.
Energy
23.
Power is expressed in joules per second or as...
A.
Newtons
B.
Watts
C.
Horsepower
24.
It is a device with few, if any, moving parts that makes it easier to do work...
A.
Compound Machine
B.
Rube Goldberg Machine
C.
Simple Machine
25.
What type of machine is a ramp?
A.
A lever
B.
An inclined plane
C.
A wheel and axle
26.
Bottle openers, wheelbarrows, paper cutters and fishing rods are all examples of...
A.
Pulleys
B.
Wedge
C.
Levers
27.
Which of the following is an example of wedge?
A.
Option A
B.
Option B
C.
Option C
28.
An elevator is an example of ...
A.
Pulley
B.
Lever
C.
Wheel and Axle
29.
Which of the following is a simple machine?
A.
Option A
B.
Option B
C.
Option C
D.
Option D
30.
Analyze the video. Complex machines designed to solve simple tasks are..
A.
Compund Machines
B.
Rube Goldberg Machine
C.
Simple Machines
31.
_____________________ it is equal to the force of a push or pull multiplied by the distance the object is moved.
