Forces Quizzes

What type of force opposes the motion of an object when it is in contact with another surface?

• Friction

• Magnetism

• Gravity

• Buoyancy

What is the force that pulls objects towards the center of the Earth?

• friction

• gravity

• magnetism

• repulsion

When the forces acting on an object are equal in size but opposite in direction, the object experiences what type of forces?

• Balanced forces

• Unbalanced forces

• Frictional forces

• Net forces

Give an example of a non-contact force.

• Friction force

• Gravity force

• Tension force

• Magnetic force

How does a force affect the motion of an object?

• It has no effect on the motion of the object.

• It can change the speed, direction, or shape of the object's motion.

• It can only change the color of the object.

• It can make the object disappear.

What is the force that resists the motion of an object when it moves through a fluid or over a surface?

• gravity

• magnetism

• inertia

• friction

What is the SI unit of force?

• Kilogram

• Newton

• Meter

• Joule

When the forces acting on an object are not equal, the object experiences what type of forces?

• Opposite forces

• Unbalanced forces

• Static forces

• Balanced forces

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

• Friction

• Lift

• Air resistance or drag

• Gravity