1211 First Half Tricky Concepts

Compared to its mass on Earth, the mass of an object on the Moon is

• less

• more

• the same

• not enough information

A 10-N force and a 30-N force act on an object in opposite directions. What is the net force on the object?

• 40 N

• 30 N

• 20 N

• 10 N

Tags

NGSS.HS-PS2-1

What are the units for measuring force?

• m/s²

• kg m/s

• N

• N kg

Tags

NGSS.HS-PS2-1

Forces always occur __________.

• by themselves

• as single quantities

• in pairs

• in triplets

Tags

NGSS.MS-PS2-1

If the force on a cart is doubled, what happens to the acceleration of the cart?

• stays the same

• doubles

• half as much

• 4 times as much

Tags

NGSS.HS-PS2-1

The law of inertia applies to __________.

• objects in motion.

• objects at rest.

• both objects in motion and objects at rest.

• no objects.

The inertia an object has depends upon its _____.

• mass

• displacement

• volume

• shape

Tags

NGSS.HS-PS2-1

The gravitational force, Fg or W, exerted on you by the Earth is usually called your ___.

• mass

• weight

• acceleration

• gravity

Tags

NGSS.HS-PS2-4

A player catches a ball. Consider the action force to be the impact of the ball against the player's glove. What is the reaction to this force?

• The player's grip on the glove

• The force the glove exerts on the ball

• Friction of the ground against the player's shoes

• none of the above

Tags

NGSS.HS-PS2-1

As a projectile travels upward, its vertical velocity:

• decreases

• increases

• can't be determined

• remains the same

Tags

NGSS.HS-PS2-1