Demonstrate and calculate how unbalanced forces change the speed or direction of an object's motion;
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Q 1/28
Score 0
Which type of energy is stored in a battery?
30
Potential energy
Kinetic energy
Nuclear energy
Chemical energy
Q 2/28
Score 0
Which type of energy is associated with the movement of particles?
30
Potential energy
Electrical energy
Kinetic energy
Thermal energy
28 questions
Q.
Which type of energy is stored in a battery?
1
30 sec
Q.
Which type of energy is associated with the movement of particles?
2
30 sec
Q.
Which of the following examples represents potential energy?
3
30 sec
Q.
Which type of energy is associated with the position of an object?
4
30 sec
Q.
Which type of energy is associated with the movement of an object?
5
30 sec
Q.
Which of the following is an example of kinetic energy?
6
30 sec
Q.
Which of the following is an example of potential energy?
7
30 sec
Q.
At which point in the diagram is potential energy the highest?
8
30 sec
Q.
At which point in the diagram is kinetic energy the highest?
9
30 sec
Q.
What type of energy transformation occurs when a wind turbine converts wind energy into electrical energy?
10
30 sec
Q.
What type of energy transformation occurs when a car engine burns gasoline?
11
30 sec
Q.
What type of energy transformation occurs when a person eats food?
12
30 sec
Q.
According to Newton's 3rd law, if you push against a wall, the wall pushes back with __________.
13
30 sec
Q.
According to Newton's 3rd law, when you paddle a boat using oars, the water exerts a force on the ________.
14
30 sec
Q.
According to Newton's 3rd law, when you push a book on a table, the book exerts an equal and opposite force on the ________.
15
30 sec
Q.
When a rocket launches into space, what is the action-reaction force pair?
16
30 sec
Q.
When a basketball player jumps in the air, what is the action-reaction force pair?
17
30 sec
Q.
What happens to an object when there is a balanced force acting on it?
18
30 sec
Q.
What is the primary characteristic of a balanced force?
19
30 sec
Q.
What is an example of a balanced force?
20
30 sec
Q.
What is the result of unbalanced forces acting on an object?
21
30 sec
Q.
Which of the following best represents a balanced force?
22
30 sec
Q.
Which of the following best describes inertia?
23
30 sec
Q.
What is the relationship between mass and inertia?
24
30 sec
Q.
Which of the following best describes net force?
25
30 sec
Q.
A ball is stationary on a flat surface. What will happen if an unbalanced force is applied to the ball?
26
30 sec
8.6a
Q.
A football is kicked hard towards the goal. The opposing player stops the ball with his foot. What force does the opposing player's foot exert on the kicked ball?
27
30 sec
8.6a
Q.
Two students are working together to build a birdhouse. Student 1 pushes a wooden board across the table toward student 2 with a force of 10N. If the force of friction is 4N, what is the net force?
