Law of Acceleration

If you push a marble and a bowling ball with the same amount of force,

which one will accelerate more? Explain your response.

Tags

NGSS.MS-PS2-2

According to Newton's law of acceleration, which accelerates more - a box with a mass of 10 grams or a box with a mass of 25 grams?

• 10 grams

• 25 grams

Tags

NGSS.MS-PS2-2

Based on Newton's Second Law, which statements are true? Choose 3 responses.

• The greater the mass of an object the greater the force needed to change its motion.

• The greater the mass of an object the less force needed to change its motion.

• The more force applied on an object, the more it will accelerate.

• The less force applied on an object, the greater is its acceleration.

• Lighter objects accelerate more.

Tags

NGSS.MS-PS2-2

You place your hand on the desk. This is the action force. What is the reaction force? Remember - flip the word!!!

​ (a)   ​ (b)   ​ (c)  

• finger on desk
• hand on desk
• desk on hand

An object at rest stays ​ (a)   unless acted upon by an ​ (b)   . An object in ​ (c)   stays in motion unless an unbalanced ​ (d)   acts on it.

• at rest
• unbalanced force
• motion
• force
• balanced force

Tags

NGSS.MS-PS2-2

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 law best explains the increase in speed?

• Law of Inertia

• Law of Action Reaction

• Law of Acceleration

• Law of Conservation of Energy

Tags

NGSS.MS-PS2-2

Which force causes a change in an object's motion or causes acceleration?

Answer in complete sentence.

Answer explanation

Unbalanced forces cause acceleration or change in velocity which may cause an object to speed up, slow down or change direction.

Tags

NGSS.MS-PS2-2

If you increase the mass on an object, its acceleration _________.

Think bowling ball vs marble.

• decreases

• stays the same

• also increases

• stops

Tags

NGSS.MS-PS2-2

How much force is exerted on an object with a mass of 15 kg that accelerates at 3 m/s2? Solve using TFSCRG Steps.

Tags

NGSS.HS-PS2-1