7.7D Newton's First Law of Motion

A book is lying on a table. According to Newton's First Law of Motion, what will happen to the book if no external force is applied?

• The book will start moving.

• The book will remain at rest.

• The book will move in a circular path.

• The book will fall off the table.

Tags

TEKS.SCI.7.7D

Which of the following scenarios best illustrates an unbalanced force acting on an object?

• A car moving at a constant speed on a straight road.

• A ball rolling down a hill and accelerating.

• A book resting on a shelf.

• A satellite orbiting Earth at a constant speed.

Tags

TEKS.SCI.7.7D

If a soccer ball is at rest on the field, what must occur for it to start moving?

• A balanced force must be applied.

• An unbalanced force must be applied.

• No force is needed; it will move on its own.

• Gravity must be removed.

Tags

TEKS.SCI.7.7D

A car is traveling at a constant velocity. What can be said about the forces acting on the car?

• The forces are balanced.

• The forces are unbalanced.

• There are no forces acting on the car.

• Only gravitational force is acting on the car.

Tags

TEKS.SCI.7.7D

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

• A rocket accelerating into space.

• A book sliding off a tilted table.

• A car parked on a hill with the parking brake engaged.

• A ball thrown into the air and coming back down.

Tags

TEKS.SCI.7.7D

What happens to an object in motion if no external force is applied, according to Newton's First Law?

• It will stop immediately.

• It will continue moving at a constant velocity.

• It will change direction.

• It will accelerate.

Tags

TEKS.SCI.7.7D

A hockey puck slides on ice at a constant speed. What does this demonstrate about the forces acting on the puck?

• The forces are unbalanced.

• There are no forces acting on the puck.

• The forces are balanced.

• Only friction is acting on the puck.

Tags

TEKS.SCI.7.7D

Which of the following statements is true about balanced forces?

• They cause an object to accelerate.

• They change the direction of an object's motion.

• They do not change the state of motion of an object.

• They always act in the same direction.

Tags

TEKS.SCI.7.7D

An object is moving in a straight line at a constant speed. What can be inferred about the net force acting on the object?

• The net force is zero.

• The net force is increasing.

• The net force is decreasing.

• The net force is constant but not zero.

Tags

TEKS.SCI.7.7D

If a force is applied to a stationary object and it does not move, what can be concluded about the forces acting on it?

• The forces are unbalanced.

• The forces are balanced.

• There are no forces acting on the object.

• The object is in free fall.

Tags

TEKS.SCI.7.7D