Newton's Second Law of Motion Quiz

What does Newton's second law of motion state about the relationship between force, mass, and acceleration?

• Force is inversely proportional to acceleration and directly proportional to mass.

• Force is directly proportional to acceleration and inversely proportional to mass.

• Force is directly proportional to both mass and acceleration.

• Force is inversely proportional to both mass and acceleration.

If a boy applies less force to accelerate a bicycle, what can be inferred about his mass compared to a man applying more force?

• The boy has more mass than the man.

• The boy's mass is irrelevant to the force applied.

• The boy and the man have the same mass.

• The boy has less mass than the man.

What is the formula for force according to Newton's second law?

• F = m + a

• F = m / a

• F = m - a

• F = m * a

What is the unit of force in the International System of Units?

• Pascal

• Joule

• Newton

• Watt

How is weight defined in terms of force?

• Weight is the velocity of an object.

• Weight is the mass of an object.

• Weight is the force due to gravity.

• Weight is the acceleration of an object.

If a rocket has a mass of 45,000 kg and needs an acceleration of 70 m/s², what is the required net force?

• 31,500 N

• 315,000 N

• 315 N

• 3,150,000 N

What is the acceleration of a 0.60 kg ball hit with a force of 12 N?

• 0.2 m/s²

• 20 m/s²

• 2 m/s²

• 200 m/s²

How do you calculate the mass of an object if you know the force and acceleration?

• Mass = Force * Acceleration

• Mass = Force + Acceleration

• Mass = Force / Acceleration

• Mass = Acceleration / Force

What is the mass of an encyclopedia if a force of 15 N is applied and the acceleration is 5 m/s²?

• 5 kg

• 75 kg

• 3 kg

• 15 kg

According to Newton's second law, what happens to an object when a force acts on it?

• It moves at a constant speed.

• It decelerates in the opposite direction of the force.

• It accelerates in the direction of the force.

• It remains stationary.