Friction is the force that enhances the motion of two surfaces in contact.

Friction is the energy lost when two surfaces move together.

Friction is the speed at which two surfaces slide past each other.

Friction is the force that opposes the relative motion of two surfaces in contact.

An object will remain in motion only if it is pushed continuously.

An object will remain at rest or in uniform motion unless acted upon by an external force.

An object will accelerate unless a force is applied.

An object will change direction without any force.

Gravity has no effect on the speed of falling objects.

Gravity causes objects to float instead of fall.

Gravity pulls objects upward, slowing their descent.

Gravity causes a falling object to accelerate downward, increasing its speed until it reaches terminal velocity.

newton (N)

pascal (Pa)

joule (J)

watt (W)

Friction is always beneficial and never causes damage.

Friction only occurs in solid materials and has no effect on liquids.

Friction can only be harmful by increasing speed and efficiency.

Friction can be both helpful by providing grip and harmful by causing wear and energy loss.

The object's motion becomes erratic and unpredictable without acceleration.

The object moves in the opposite direction of the net force applied.

The object's motion changes; it accelerates in the direction of the net force.

The object's motion remains unchanged; it continues at a constant speed.

Weight is the mass of an object without gravity.

Weight is the force due to gravity acting on mass.

Weight is the total amount of matter in an object.

Mass is the force that causes weight to change.

Air resistance slows down falling objects and leads to a terminal velocity.

Air resistance has no effect on falling objects.

Air resistance causes objects to fall faster than gravity.

Air resistance increases the speed of falling objects.

Increase surface roughness, apply more force, use high-friction materials, or add friction-enhancing substances.

Add weight, use soft materials, reduce surface contact, or apply heat to the surfaces.

Increase temperature, use smooth surfaces, apply less force, or use slippery coatings.

Decrease surface roughness, reduce contact area, use low-friction materials, or apply lubricants.

Static friction is always stronger; kinetic friction is weaker.

Static friction prevents motion; kinetic friction opposes motion.

Static friction is constant; kinetic friction varies with speed.

Static friction acts on moving objects; kinetic friction acts on stationary objects.

A steeper ramp decreases the object's speed significantly.

The angle of a ramp affects the acceleration and speed of an object sliding down; steeper angles result in faster motion.

The angle of a ramp has no effect on the object's speed.

The angle only affects the direction of the object's motion.

Inertia is the resistance of an object to changes in its motion, directly related to Newton's first law of motion.

Inertia refers to the force that propels an object forward, based on its mass.

Inertia is the ability of an object to change its shape when in motion, linked to energy transfer.

Inertia is the speed of an object in motion, unrelated to any laws of physics.

Forces only act on the object that is moving faster during a collision.

Forces are unequal and act in the same direction during a collision.

Forces are equal in magnitude and opposite in direction during a collision.

Forces are random and do not follow any specific pattern in collisions.

Gravity causes planets to move away from the sun at high speeds.

Gravity has no effect on the motion of planets in space.

Gravity keeps planets in orbit around the sun by balancing the inward pull of gravity with the outward motion of the planets.

Gravity pulls planets directly into the sun without any balance.