Benchmark 2

The difference between the initial, or starting, position and the final position.

• Newton’s second law of motion

• Newton’s third law of motion

• Net force

• Displacement

Thermal energy is measured in _________.

• Meters

• Watts

• Kilograms

• Joules

Which is not a simple machine?

• Pulley

• Wedge

• Lever

• Fan

You stir hot stew with a spoon. The handle of the metal spoon gets hot.

• Conduction

• Convection

• Radiation

The acceleration of an object is equal to the net force exerted on the object divided by the object’s mass.

• Newton’s first law

• Newton’s second law

• Newton’s third law

• Normal force

When an object applies a force on another object, the second object applies a force of the same strength on the first object, but the force is in the opposite direction.

• Newton’s first law

• Newton’s second law

• Newton’s third law

A quantity that has both magnitude and direction.

• Velocity

• Vector

• Acceleration

• Force pair

The SI unit for work is __________.

• Joules

• Newtons

• Watts

• Kilograms

The SI unit for power is __________.

• Joules

• Newtons

• Watts

• Kilograms

The SI unit for force is __________.

• Joules

• Newtons

• Watts

• Kilograms