Q2 Review 2023

Front

What do electrons produce as they move?

Back

Magnetic field

Front

What is the formula to calculate force?

Back

Force = mass × acceleration

Front

What is the normal force?

Back

The force exerted by a surface to support the weight of an object resting on it, acting perpendicular to the surface.

Front

What happens to two objects with mass if no other forces act on them?

Back

They will accelerate toward each other.

Front

What is net force?

Back

The overall force acting on an object when all the individual forces are combined.

Front

What is the unit of force?

Back

Newton (N)

Front

What is ferromagnetism?

Back

A phenomenon where certain materials can become permanent magnets when exposed to a magnetic field.

Front

What is acceleration?

Back

The rate of change of velocity of an object.

Front

What is weight force?

Back

The force exerted by gravity on an object, calculated as weight = mass × gravitational acceleration.

Front

What is frictional force?

Back

The force that opposes the motion of an object in contact with a surface.