Force and Motion

Which of the following is a question about forces that could be tested in a school laboratory investigation?

• Which airplane design is the best?
• How does friction affect the motion of a rolling ball?
• Does gravity work in all parts of the universe?
• What kind of magnet is the fastest?

Tags

NGSS.MS-PS2-2

What is a PUSH or PULL of an object?

• Motion
• Force
• Friction
• Gravity

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Why is it harder for the boy in Image B to get down the hill?

• Motion
• Friction
• Work
• Displacement

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.MS-PS2-1

In the image, which of the person and their bikes will get down a hill faster? 

• The boy because he is younger
• The woman because she is stronger
• The boy because he has a greater mass which applies a greater force
• The woman because she has more mass and applies a greater force

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

How is gravity affected by mass?

• the larger the mass of the object, the greater the gravity
• small objects have no gravity
• gravity is not affected by mass of objects, whether large or small

Tags

NGSS.MS-PS2-4

What pulls a ball back to earth?

• Gas
• Gravity
• Friction
• Molecules

Tags

NGSS.MS-PS2-4

If you pull the cord, what direction will the box move?

• Up
• Down
• Left
• Right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which will be different on the moon?

• Mass of an object
• Weight of an object

1.  It is easier to ride a bicycle down a hill than to ride up a hill because _______ helps the bicycle move down the hill. 

• gravity
• friction
• rotation