Force and Motion

A _____ is a pull or a push.

• force
• friction
• gravity
• speed

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

_____ is the force that slows and stops motion between touching objects.

• Friction
• Gravity
• Pull
• Push

Why do air planes and race cars have sleek shapes?

• to reduce friction from air resistance
• to increase air resistance
• to look more appealing than cats
• so people will buy them

Tags

NGSS.MS-ETS1-1

Which would require the most force to move?

• a toy car
• a sleeping cat
• a science book
• a chair with a friend sitting in it

Tags

NGSS.MS-PS2-2

Which force produces a change in motion?

• unbalanced force
• balanced force
• gravitational force
• frictional force

Tags

NGSS.MS-PS2-2

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

What is the formula for force?

• F=M/A
• F=A/M
• F=M*A
• F=M*F

When you tell the direction and speed of an object, you give its

• motion
• velocity
• acceleration
• mass

Which of the following objects has the least acceleration?

• a. an empty shopping cart pushed with a hard force
• b. a full shopping cart pushed with a hard force
• c. an empty shopping cart pushed with a light force
• d. a full shopping cart pushed with a light force

Tags

NGSS.MS-PS2-2

Speed is equal to 

• Distance/Time
• Time/Distance
• Time x Distance
• Acceleration

Tags

NGSS.MS-PS3-1