Exploring Newton's First Law of Motion

What does Newton's First Law state about an object at rest?

• It will start moving on its own.

• It will change direction.

• It will stay at rest unless acted upon by an unbalanced force.

• It will increase its speed.

What is an unbalanced force?

• A force that keeps an object at rest.

• A force that has no effect on an object.

• A force that causes a change in motion.

• A force that is equal in magnitude and opposite in direction.

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NGSS.MS-PS2-2

What force is responsible for stopping a block pushed across the floor?

• Gravity

• Air resistance

• Friction

• Magnetism

What happens to an object in space with no gravity acting on it?

• It will fall back to Earth.

• It will keep moving in the same direction forever.

• It will change direction.

• It will stop moving.

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NGSS.MS-ESS1-2

What does a balanced force imply about an object's motion?

• The object will maintain a constant speed.

• The object will stop moving.

• The object will move in a circle.

• The object will accelerate.

In circular motion, what is true about the object's velocity?

• It decreases.

• It changes direction.

• It increases.

• It remains constant.

What must be present for an object to have acceleration?

• A net force

• No force

• Constant speed

• A balanced force

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NGSS.MS-PS2-2

What is another term for Newton's First Law?

• Law of Gravity

• Law of Motion

• Law of Inertia

• Law of Acceleration

Which object has more inertia?

• A 3 kg object moving at 2 m/s

• A 1 kg object moving at 5 m/s

• A 5 kg object moving at 1 m/s

• A 2 kg object moving at 10 m/s

What does a net force of zero indicate about an object's motion?

• The object will accelerate.

• The object will change direction.

• The object will maintain a constant speed.

• The object will stop moving.

Tags

NGSS.MS-PS2-2