Newton laws

What is Newton's first law of motion also known as?

• Law of universal gravitation

• Law of inertia

• Law of conservation of energy

• Law of action and reaction

Which law is described as the law of mass and acceleration?

• Newton's first law

• Newton's second law

• Newton's third law

• Law of conservation of momentum

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Newton's third law of motion is known as the law of:

• Inertia

• Mass and acceleration

• Action and reaction

• Energy conservation

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According to Newton's first law of motion, what happens to an object if no unbalanced forces act on it?

• It changes direction

• It remains at rest or moves with uniform velocity

• It accelerates

• It stops moving

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What does the formula 'I = mr²' represent in the context of rotating objects?

• Acceleration formula

• Force formula

• Moment of inertia

• Velocity formula

What would happen to a ball if it was kicked in space?

• It will stop immediately.

• It will start moving in random directions.

• It will keep moving in one direction until it hits something or is affected by gravity.

• It will disintegrate.

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

• Force is equal to mass divided by acceleration.

• Force is equal to mass plus acceleration.

• Force is equal to mass times acceleration.

• Force is equal to acceleration minus mass.

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According to Newton's second law, if the mass of an object increases, what happens to the force needed to move it, assuming acceleration is constant?

• The force needed decreases.

• The force needed remains the same.

• The force needed increases.

• The force needed is zero.

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What is the formula for calculating force as per Newton's second law?

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What happens if you use the same force to push a lorry and a car?

• A) Both will have the same acceleration

• B) The car will have greater acceleration

• C) The lorry will have greater acceleration

• D) Neither will move

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