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Questions and Answers
Which of Newton's laws states that an object will remain at rest or in uniform motion unless acted upon by an external force?
Which of Newton's laws states that an object will remain at rest or in uniform motion unless acted upon by an external force?
- First Law (correct)
- Second Law
- Third Law
- Zeroth Law
According to Newton's second law, force is directly proportional to...
According to Newton's second law, force is directly proportional to...
- Velocity
- Displacement
- Acceleration (correct)
- Momentum
A 10 kg object accelerates at 2 m/s^2. What is the force acting on it?
A 10 kg object accelerates at 2 m/s^2. What is the force acting on it?
- 5 N
- 10 N
- 20 N (correct)
- 200 N
Which of the following is the best statement of Newton's third law?
Which of the following is the best statement of Newton's third law?
When you walk forward, you push backward on the ground. The ground pushes you forward due to...
When you walk forward, you push backward on the ground. The ground pushes you forward due to...
In the absence of external forces, a moving object will...
In the absence of external forces, a moving object will...
A force of 15 N acts on a 3 kg object. What is the acceleration?
A force of 15 N acts on a 3 kg object. What is the acceleration?
If you press a book against a wall with a force of 20 N, the wall exerts a force on the book of...
If you press a book against a wall with a force of 20 N, the wall exerts a force on the book of...
Which of the following does NOT apply a force on an object in motion?
Which of the following does NOT apply a force on an object in motion?
When a car increases its velocity from 20 m/s to 40 m/s over a period of time, it has...
When a car increases its velocity from 20 m/s to 40 m/s over a period of time, it has...
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