Newton's Laws Test

Newton's first law is also called the:

• law of inertia

• law of mass

• f = ma law

• law of forward momentum

Which formula would you use to find the acceleration of a bike rider with a mass of 50kg who pushes off with a force of 25 Newtons.

• f = ma

• a = f *m

• m = f * a

Tags

NGSS.MS-PS2-2

What is the net force?

• 800 N

• 600 N

• 400 N

• 400 N down

Tags

NGSS.MS-PS2-2

What is the SI unit of force?

• Joules

• kilograms

• Newtons

• Isaac

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

• remain in motion.
• eventually come to a stop.
• change its momentum.
• accelerate.

A sled sliding on a flat, icy surface with a constant velocity is best described by

• Newton’s first law of motion for objects at rest.
• Newton’s first law of motion for objects in motion.
• Newton’s second law of motion.
• Newton’s third law of motion.

Which law explains when a magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

• Law 1
• Law 3

Tags

NGSS.MS-PS2-1

A person steps out of the boat and onto the dock.  As the person moves forward onto the dock, the boat moves backward.  Which statement best describes the backward motion of the boat as the person steps forward?

• For every action there is an equal and opposite reaction.
• Every mass exerts a force on every other mass.
• An object at rest tends to stay at rest.
• Friction opposes the motion of an object.

Tags

NGSS.MS-PS2-1

An empty truck and a fully loaded truck are next to each other at a traffic light. When the light turns green, the lighter truck increases speed more quickly. Which of these best explains this situations

• Newton's first law
• Newton's second law
• Newton's third law
• Conservation of momentum

Tags

NGSS.MS-PS2-2

Newton's third law, also called ___________

• Law of Action/Reaction

• Law of Acceleration

• Law of Inertia

• Law of Bust Down