Forces and Motion Quiz

What is the force called that pulls objects toward the center of the Earth?

• Magnetism

• Friction

• Electricity

• Gravity

When forces are equal in size and opposite in direction, what are they considered?

• Dynamic

• Unbalanced

• Neutral

• Balanced

Which force is responsible for preventing a rock from moving sideways when wind blows?

• Tension

• Magnetic

• Friction

• Gravity

What happens to an object when unbalanced forces act on it?

• It remains stationary

• It changes shape

• It changes movement

• It becomes heavier

What is the term for the force that opposes the motion of an object through the air?

• Gravity

• Normal force

• Air resistance

• Tension

What happens to the forces when a parachute first opens?

• They disappear

• They increase in size

• They become unbalanced

• They become balanced

What is required to keep an object moving in a circle?

• Balanced force

• Constant unbalanced force

• No force

• Decreasing force

Which of the following is NOT a result of unbalanced forces?

• Remaining stationary

• Speeding up

• Slowing down

• Changing direction

What is the effect of balanced forces on an object's movement?

• It speeds up

• It slows down

• It changes direction

• It remains unchanged

What happens to the forces when an object falls at a constant speed?

• They become balanced

• They become unbalanced

• They increase

• They decrease