Physics 1st Q Final

Science, art, and religion do not contradict each other because...

• all three have different domains. 
• If you choose religion and art you can forget science . 
• If you choose science you can forget religion and art. 
• If you pick the right one you can forget the other two 

Which of these is a SCIENTIFIC hypothesis? 

• the universe is surrounded by a second universe that cannot be seen. 
• Albert Einstein is teh greatest physicist of all time. 
• Atoms are the smallest particles of matter. 

In order for a hypothesis to be considered scientific there must be a test to prove it...

• right
• wrong

A theory is a synthesis of a large collect of information including well-tested hypotheses. 

• True
• False

A hypothesis is the long side of a triangle.

• True
• False

A 15N force and a 45N force act on an object in opposite directions. What is the net force. 

• 15N
• 30N
• 45N
• 60N

Tags

NGSS.MS-PS2-2

What is the maximum resulatant possible when adding a 2N and 8N force? 

• 2N
• 6N
• 8N
• 10N

What is the minimum resultant possible when adding a 5N force to an 8N force? 

• 5N
• 3N
• 8N
• 13N

Equilibrium occurs when

• all the forces are balanced. 
• the sum of the +x forces = the sum of the -x forces. 
• the net force is zero. 
• all of the above

A girl whose weight is 500N hangs from the middle of a bar supported by two vertical strands of rope. What is the tension in each strand? 

• 0N
• 250N
• 500N
• 750N

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4