Newton's Laws of Motion

Which law of motion is also known as the Law of Inertia?

• First Law

• Second Law

• Third Law

Newton's First Law says that an object that is moving will _____.

• stay at rest

• keep moving with a constant velocity

• resist any physical change

• has mass

What is inertia?

• The resistance of any physical object to any change in its state of motion

• The amount of mass an object has

• A reaction in an object

• No one knows

Which law of motion is also known as the Law of Acceleration?

• First Law

• Second Law

• Third Law

The greater the force that is applied, the _____ the acceleration.

• greater

• lesser

Tags

NGSS.MS-PS2-2

The less the force that is applied, the _____ the acceleration.

• greater

• lesser

Tags

NGSS.MS-PS2-2

Which law of motion is also known as the Law of Action - Reaction?

• First Law

• Second Law

• Third Law

Tags

NGSS.MS-PS2-1

Newton's Third Law says that every time there is an action force, there is also a reaction force that is _____ in size and acts in the _____ direction.

• equal, opposite

• opposite, equal

• greater, different

• lesser, same

Tags

NGSS.MS-PS2-1

A 20 kg bike accelerates at 10 m/s².  what was the force?

• 25 Newtons
• 20 Newtons
• 200 Newtons
• 10 Newtons

Tags

NGSS.MS-PS2-2

A force of 250 N is applied to an object that accelerates at a rate of 5 m/s². What is the mass of the object? To solve this problem you must do -

• 250 ÷ 5

• 5 ÷ 250

• 250 x 5