Force and Motion

Front

What is the ultimate source of energy?

Back

The sun.

Front

What is net force when a person pushes 35N to the right and another pushes 40N to the left?

Back

5N left.

Front

Plants cannot create energy. Instead they ____________ light energy from the sun into potential _______ energy. Fill in the blanks.

Back

transform, chemical.

Front

Who wins the tug of war with what net force if the person on the left pulls with 20 N and the person on the right pulls with 100 N?

Back

The person on the right with 100 N.

Front

Is this a balanced or unbalanced force? If forces are equal, what type of force is it?

Back

Balanced.

Front

What is a force?

Back

A push or pull acting on an object.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is inertia?

Back

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

Front

What is the formula for calculating net force?

Back

Net force = Force applied - Force opposing.

Front

What is gravitational force?

Back

The force of attraction between two masses.