Quiz on Newton's Laws of Motion and Force

What does Newton's First Law of Motion state?

• An object in motion stays in motion unless acted upon by an external force.
• Force equals mass times acceleration.
• For every action, there is an equal and opposite reaction.
• Energy cannot be created or destroyed.

Which of the following is an example of Newton's Second Law of Motion?

• A soccer ball rolling on the ground.
• A car accelerating when the driver presses the gas pedal.
• A book resting on a table.
• A rocket launching into space.

What is the formula for calculating force according to Newton's Second Law?

• F = m + a
• F = m - a
• F = m × a
• F = m ÷ a

Which of the following best describes inertia?

• The tendency of an object to resist changes in its motion.
• The force that pulls objects toward each other.
• The speed of an object in motion.
• The energy stored in an object.

If a 10 kg object is accelerating at 2 m/s², what is the force acting on it?

• 5 N
• 10 N
• 20 N
• 30 N

What happens to an object in motion when no net force acts on it?

• It speeds up.
• It slows down.
• It changes direction.
• It continues moving at a constant velocity.

Which law explains why you feel pushed back in your seat when a car accelerates?

• Newton's First Law
• Newton's Second Law
• Newton's Third Law
• Law of Conservation of Energy

According to Newton's Third Law, if you push against a wall, what happens?

• The wall pushes back with equal force.
• The wall moves away from you.
• You fall over.
• Nothing happens.

Which of the following scenarios demonstrates Newton's Third Law of Motion?

• A skateboarder rolling down a hill.
• A swimmer pushing water backwards to move forward.
• A ball resting on the ground.
• A car parked on a slope.

What is the unit of force in the International System of Units (SI)?

• Kilogram
• Newton
• Meter
• Joule