BrainPOP - Forces

Front

What is true about all forces?

Back

They involve more than one object

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Front

What does the measurement unit N stand for?

Back

Newton

Tags

NGSS.MS-PS2-5

Front

Which two components must a vector quantity have?

Back

Direction and magnitude

Front

If the net force on an object is zero, what can you conclude?

Back

The object is not accelerating

Front

Which one of these arrows best corresponds to the force of drag?

Back

Front

What can you infer about an object moving at a constant velocity?

Back

The forces acting on it are in balance

Tags

NGSS.HS-PS2-1

Front

Acceleration occurs when an object is subjected to a(n):
Options: Force, Balanced force, Unbalanced force, Contact force

Back

Unbalanced force

Tags

NGSS.MS-PS2-2

Front

What is true of non-contact forces?

Back

They become weaker with distance

Tags

NGSS.MS-PS2-5

Front

If you drop an egg off of the Empire State Building, which of the following things will happen first?

• Drag will increase
• The egg will appear to hover
• Gravity and drag will fall into balance
• The net force will be zero

Back

Drag will increase

Front

Which of the following statements is always true?

• An object at rest has no forces acting on it
• Unbalanced forces lead to a change in speed or direction
• Gravity always leads to an unbalanced force
• The net force on a moving object can never be zero

Back

Unbalanced forces lead to a change in speed or direction

Tags

NGSS.MS-PS2-2