forces

In the free-body diagram, which of the following is the gravitational force acting on the balloon?

• 5120 N

• 950 N

• 1520 N

• 4050 N

Tags

NGSS.HS-PS2-4

NGSS.HS-PS2-1

Who wins the tug of war with what net force?

• The person on the left with 20 N
• The person on the left with 80 N
• The people on the right with 20 N
• The people on the right with 100 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

When an object is moving, friction acts in the _______ direction as the motion.

• perpendicular

• same

• opposite

• precise

Tags

NGSS.MS-PS2-2

A type of friction that occurs when air pushes against a moving object it to decelerate.

• surface area

• air resistance

• velocity

• gravity

How would the absence of friction affect the motion of a marble on a long, straight path?

• The marble's speed would decrease.

• The marble's speed would remain constant.

• The marble's speed would increase.

• The marble would stop immediately.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

This is an example of what kind of force?

• Balanced Force
• Pushing Force
• Gravity Force
• Unbalanced Force

Tags

NGSS.3-PS2-1

What is the net force?

• 5000 N right
• 4000 N right
• 40 N left
• 4000 N left

Tags

NGSS.MS-PS2-2

What is Newton's First Law known as? The Law of

• Friction
• Mass
• Inertia
• Gravity

If you traveled to Jupiter, what would change?

• Your weight and mass
• your weight
• your mass
• your height

Tags

NGSS.MS-PS2-4

Acceleration is

• increasing speed
• decreasing speed
• changing direction
• all of the above