Force, Work, and Energy Quiz

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

• velocity

• gravity

• friction

• inertia

Which type of energy is stored in an object due to its position?

• Kinetic energy

• Thermal energy

• Chemical energy

• Potential energy

What is the unit of work and energy?

• newton (N)

• joule (J)

• watt (W)

• ampere (A)

Name the force that pulls objects towards the center of the Earth.

• friction

• buoyancy

• magnetism

• gravity

What is the law of conservation of energy?

• Energy cannot be created or destroyed, only transformed from one form to another.

• Energy can only be transformed into matter

• Energy can be created out of nothing

• Energy can be destroyed completely

Which simple machine is used to lift heavy objects?

• screw

• wheel and axle

• lever or pulley

• incline plane

What is the force that resists the motion of an object through a fluid?

• push force

• pull force

• drag force

• lift force

What is the formula to calculate work?

• Mass x Acceleration

• Velocity x Time

• Force x Distance

• Energy / Distance

Name the force that occurs when two surfaces rub against each other.

• inertia

• friction

• magnetism

• gravity

Which type of simple machine is a seesaw?

• pulley

• screw

• lever

• wheel and axle