(Week 2) Forces & Motion Quiz

What is the movement of an object called?

• Force

• Motion

• Speed

• Direction

An object moves when __________ forces act on the object.

• equal

• balanced

• opposite

• unbalanced

• neutral

Tags

NGSS.MS-PS2-2

If you apply a force in the opposite direction of the object’s motion, you can __________ down and __________ the object.

• speed, stop

• slow, stop

• increase, start

• decrease, start

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

If you apply a force in the same direction as the object’s motion, you can __________ the speed of the object.

• decrease

• maintain

• increase

• stop

Tags

NGSS.HS-PS2-1

When net force is __________, forces are balanced and the object’s motion does not change.

• zero

• positive

• negative

• constant

When net force is any value other than zero, the object’s __________ changes.

• mass

• volume

• motion

• shape

Tags

NGSS.MS-PS2-2

If a book is resting on a table, what force prevents it from falling through the table?

• Frictional force

• Gravitational force

• Normal force

• Magnetic force

What is the effect of the normal force on an object resting on a surface?

• It causes the object to move

• It prevents the object from moving

• It causes the object to rotate

• It has no effect on the object

In which direction does the normal force act on an object resting on a horizontal surface?

• Horizontally

• Vertically upward

• Vertically downward

• At an angle

Calculating speed requires knowing the __________ the object traveled over the amount of __________ it took.

• distance, time

• speed, distance

• time, speed

• distance, speed