Force and Motion

What is a statement of what will happen next in a sequence of events?

• Prediction

• Assumption

• Conclusion

• Observation

What is Newton's First Law of Motion?

• An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

• An object will accelerate in the direction of the net force acting on it.

• For every action, there is an equal and opposite reaction.

• An object in motion will eventually come to a stop without external forces.

What is the relationship between force and motion?

• Force causes an object to change its motion.

• Force has no effect on an object's motion.

• Force only affects stationary objects.

• Force is the result of an object's motion.

What is the act of applying force to move something away?

• Pull

• Push

• Lift

• Drop

What is the difference between balanced and unbalanced forces?

• Balanced forces change an object's motion, while unbalanced forces do not.

• Balanced forces do not change an object's motion, while unbalanced forces do.

• Balanced forces are stronger than unbalanced forces.

• Unbalanced forces always act in pairs, while balanced forces do not.

What is Newton's Second Law of Motion?

• The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F=ma).

• An object in motion stays in motion unless acted upon by an external force.

• The force acting on an object is equal to the mass of the object multiplied by its velocity.

• For every action, there is an equal and opposite reaction.

What is inertia?

• The tendency of an object to resist changes in its state of motion.

• The force that causes an object to accelerate.

• The speed of an object in a given direction.

• The mass of an object multiplied by its velocity.

What is the effect of mass on the motion of an object?

• Greater mass results in greater inertia, making it harder to change the object's motion.

• Greater mass results in faster motion of the object.

• Mass has no effect on the motion of an object.

• Lesser mass results in greater inertia, making it easier to change the object's motion.

What is friction?

• A force that opposes the motion of an object.

• A force that accelerates the motion of an object.

• A type of energy produced by moving objects.

• A force that increases the speed of an object.

What is gravity?

• A force that repels two bodies away from each other.

• A force that attracts two bodies toward each other, commonly experienced as the force that pulls objects toward the Earth.

• A type of energy that allows objects to move freely in space.

• A phenomenon that causes objects to float in the air.