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Questions and Answers
What is the formula for calculating force according to Newton's Second Law of Motion?
What is the formula for calculating force according to Newton's Second Law of Motion?
- F = m + a
- F = ma (correct)
- F = mv
- F = m/a
An object in motion will eventually stop unless acted upon by an external force.
An object in motion will eventually stop unless acted upon by an external force.
True (A)
What is the unit of force in the International System of Units (SI)?
What is the unit of force in the International System of Units (SI)?
Newton
The momentum of an object is calculated using the formula ______.
The momentum of an object is calculated using the formula ______.
Match the following definitions with their corresponding terms:
Match the following definitions with their corresponding terms:
If a 2 kg object is pushed with a force of 10 N, what is its acceleration?
If a 2 kg object is pushed with a force of 10 N, what is its acceleration?
For every action, there is a corresponding equal and opposite reaction.
For every action, there is a corresponding equal and opposite reaction.
Describe the concept of inertia.
Describe the concept of inertia.
The equation for acceleration when initial velocity, final velocity, and time are known is ______.
The equation for acceleration when initial velocity, final velocity, and time are known is ______.
Which of the following statements best describes momentum?
Which of the following statements best describes momentum?
What is the formula for pressure?
What is the formula for pressure?
The SI unit of pressure is Newton.
The SI unit of pressure is Newton.
What does thermal energy refer to?
What does thermal energy refer to?
The motion of an object under the influence of gravity only is known as __________.
The motion of an object under the influence of gravity only is known as __________.
Match the types of thermometers with their descriptions:
Match the types of thermometers with their descriptions:
What is the effect observed when light passes from one medium to another?
What is the effect observed when light passes from one medium to another?
Total internal reflection can only occur when light enters a more optically dense medium.
Total internal reflection can only occur when light enters a more optically dense medium.
What is the acceleration due to gravity near Earth's surface?
What is the acceleration due to gravity near Earth's surface?
The universe began with a phenomenon known as the __________.
The universe began with a phenomenon known as the __________.
Which type of current flows in one direction only?
Which type of current flows in one direction only?
