1st Semester Exam Review #2 24 25

Front

What causes a person to weigh more on Jupiter than on Earth?

Back

Jupiter has more mass, and therefore more gravity.

Front

What is an electromagnet?

Back

A metal turned into a magnet by an electric current.

Front

What happens when a force is applied to an object but it does not move?

Back

The forces acting on the object are balanced.

Front

What force would cause a plane to continue moving at a constant speed?

Back

The net force acting on the plane must be zero.

Front

What does a motor convert electrical current into?

Back

Mechanical force.

Front

What is gravity?

Back

A force that attracts two bodies towards each other, proportional to their masses.

Front

What is the relationship between mass and weight?

Back

Weight is the force of gravity acting on an object's mass.

Front

What is the definition of force?

Back

A push or pull that can cause an object to accelerate.

Front

What is the principle of electromagnetism?

Back

Electric currents produce magnetic fields.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object; weight is the force of gravity on that mass.