October Review

Which of these Newton's laws is it when a person steps off the boat, and the boat goes in the opposite but equal direction?

• 1st Law

• 2nd Law

• 3rd Law

• 4th Law

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

• 1st law

• 2nd law

• 3rd law

• 1st ammendment

Tags

NGSS.MS-PS2-1

With unbalanced forces, the object will move in the direction that the _______ force is being applied.

• larger

• smaller

• equal

• less

Tags

NGSS.MS-PS2-2

What does Newton's First Law state?

• F=MA

• Every action has an equal and opposite reaction

• An object at rest stays at rest, an object in motion stays in motion. 

• Friction

A 20 kg bike accelerates at 10 m/s2.  what is its force?

• 20N

• 2N

• 250N

• 200N

Tags

NGSS.MS-PS2-2

8 N to the left , and 4 N to the right. Find the net force. Is this balanced 

• 12 N Right  No

• 4 N Left  No

• 12 N Right  Yes

Tags

NGSS.MS-PS2-2

You hit a wall with a stick.  The equal but opposite reaction is _____

• the wall pushes against you

• the stick pushes against you

• you push against the stick

• the wall pushes against the stick

Tags

NGSS.MS-PS2-1

What type of force always acts in an opposition to motion across a surface?

• Normal

• Magnetic

• Friction

• Applied

What type of force results from direct push or pull contact between two objects?

• applied force

• frictional force

• tension

• net

What is the net force of the picture shown if there is 25N pushing right and 30N pushing left.

• 5kg left

• 5N left

• 10N left

• 55 right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2