Physics Test Review

__________ have a net force of zero, resulting in no change in motion.

• Balanced forces

• Unbalanced forces

Calculate the net force of the diagram.

• 5000 N right

• 4000 N right

• 40 N left

• 4000 N left

What is the sum of all forces acting on an object?

• Contact Force

• Balanced Force

• Unbalanced Force

• Net Force

Calculate the net force of this diagram.

• 8N right

• 2 N right

• 8N left

• 2N left

What is the unit of force?

• Kilogram
• Meter
• Pascal
• Newton

What is the net force?

• 400 N Up
• 400 N Down
• - 400 N Down
• 800 N Down

Tags

NGSS.MS-PS2-2

During which time interval was the object's speed decreasing? (Note: This is a Speed vs. Time graph, not a Distance vs. Time graph)

• between 0 s and 2 s

• between 2 s and 4 s

• between 6 s and 8 s

• between 8 s and 10 s

Acceleration describes how an object’s velocity is changing.  Which of the following scenarios provides the best example of an accelerating object?

• A car driving at a constant speed
• A book sitting on top of a high shelf
• A toy train traveling in a circle
• A toy boat floating in a bathtub

During which time interval was the object's speed increasing?

• between 0 s and 2 s

• between 2 s and 4 s

• between 6 s and 8 s

• between 8 s and 10 s

What does this graph represent?

• Constant Speed

• Acceleration

• No motion, at rest