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## Newton's Laws of Motion

Created by Quizmagic Team on Aug 06, 2013 05:38 PM.
```Newton’s laws of motion are the basic foundation of the Statics and Dynamics branches of mechanics. Newton’s laws of motion are a set of three mutually exclusive laws that explain why a body is at rest or in motion.
1. First Law - Force and Inertia: This law explains the effect of force on state of rest or uniform motion of a body.
2. Second Law - Momentum (F=ma): This law quantitatively explains force, which is defined by the first law.
3. Third Law  - Action-Reaction: This law talks about action and reaction.

Newton’s laws of motion provide a quantitative explanation for the motion of bodies in day-to-day life. You may find a varied range where these laws can be applied to. Following is a list of some of these areas:
- Motion on an inclined plane
- Projectile motion
- Motion of spinning bodies
- Motion of a pendulum
- Motion of bodies in fluids
- Motion of moon and the planets

Try this quiz to learn and test your knowledge of the Newton's laws of Motion.```
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 Questions 15 Minutes 3 High Score 78 00:30 Quiz Played 890 times
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### Sample Questions

Question 1
Consider a scenario in which you are moving with a velocity of 5 m/s in a car and observing a man moving with velocity of 5 m/s in another car. Which of the following statements is true?
 You and the man in other car will be at rest with respect to each other. The man in the other car is moving with a velocity of -10 m/s with respect to you. The man is moving with a velocity of -5 m/s with respect to you. The man is moving with a velocity of 10 m/s with respect to you.
Question 2
Consider a scenario in which you are standing on the surface of earth and observing the moon and the sun. What will be your system and the surrounding?
 Sun and moon collectively form the system and earth is the surrounding. Earth is the system and sun and moon collectively form the surrounding. Sun and earth collectively form the system and moon is the surrounding. Moon and earth collectively form the system and sun is the surrounding.
Question 3
A rod of length L and mass m is bent to form a circle of radius ‘R’ as shown in the following figure. What will be the direction of tension in the rod?
 B A D C
Question 4
A hook of mass m is hung at the center of a stretched wire as shown in the following figure. If the increase in the tension of the wire is , then:
 > mg < mg = 0 = mg
Question 5
Two blocks are connected as shown in the following figure. If m1 = m2 = m, calculate the acceleration of m2.
 g/4 2g g/2 g
Question 6
A body of mass 2 kg moving on a horizontal surface with a velocity of 4 m/s comes to rest in 2 sec. Calculate the force required to move the body with constant acceleration of 4 m/s2.
 0 4 2 8
Question 7
Two bodies, m1 and m2 are connected as shown in the following figure. The acceleration of m1 and m2 are a1 and a2. What is the ratio of accelerations a1/a2 of the two masses?
 2 0.5 0.25 1