Free

What do the arrows represent on a free body diagram (click on two)?

• Object

• Direction

• Size

• Mass

Name the missing force...

• weight force

• normal force

• applied force

• frictional force

Tags

NGSS.MS-PS2-4

This object would be moving (pick all that are correct):

• up

• down

• left

• right

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the

when would the ball reach a velocity of 0 m/s?

• at the top

• at the bottom

• in the middle

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-5

An object free falls for 3.5 seconds. How far does it fall?

• 120.05 m

• 17.15 m

• 60.03 m

• 34.3 m

Tags

NGSS.MS-PS2-4

What happens to the velocity of a ball as it is dropped off a cliff? 

• It decreases at a uniform rate 

• It increases at a uniform rate 

• It is constant 

• It increases at a non-uniform rate

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is the net force acting on an object in free fall (ignoring air resistance)?

• Zero

• Equal to the weight of the object

• Equal to the mass of the object

• Equal to the gravitational constant

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

Which of the following best describes a free body diagram?

• A diagram showing all forces acting on an object

• A diagram showing the velocity of an object

• A diagram showing the acceleration of an object

• A diagram showing the mass of an object

In a vacuum, which of the following objects will experience free fall?

• A feather

• A hammer

• Both a feather and a hammer

• Neither a feather nor a hammer

What is the acceleration due to gravity for an object in free fall near the Earth's surface?

Tags

NGSS.MS-PS2-4