Fall 2018 Semester Final

Which of the following is the best definition for the term inertia?

• A change in the speed or direction of motion.

• An unbalanced force that opposes motion between two surfaces.

• An object’s tendency to resist a change in motion.

• The force that attracts a body towards the earth.

Which of the following is an accurate example of Newton’s first law of motion?

• A swimmer pushing on the water and the water pushing back on them.

• Pushing on a cart with greater force causing it to accelerate

• Slamming on your brakes when driving, but being thrown forward.

• None of the above.

Acceleration depends on which two things?

• Force and mass

• Force and friction

• Mass and friction

• None of the above

Tags

NGSS.MS-PS2-2

Which of the following is an accurate example of Newton’s third law of motion?

• A swimmer pushing on the water and the water pushing back on them.

• Pushing on a cart with greater force causing it to accelerate.

• Slamming on your brakes when driving and being thrown forward.

• None of the above

Tags

NGSS.MS-PS2-1

In a game of tug-o-war, you pull on the rope with a force of 10 N to the right and your friend pulls on the rope with a force of 20 N to the left. What is the net force on the rope?

• 10 N to the right

• 10 N to the left

• 0

• None of the above

Tags

NGSS.MS-PS2-2

How many different elements are in the following compound?

C₈H₁₀N₄O₂

• 2

• 4

• 18

• 24

Tags

NGSS.MS-PS1-1

What is the negatively charged portion of an atom called?

• Proton

• Neutron

• Electron

• Nucleus

Which of the following is NOT a compound?

• O₂

• H₂O

• CH₄

• HCl

Tags

NGSS.MS-PS1-1

What is the atomic number of Potassium?

• 2

• 8

• 19

• 39.0983

Which of the following cannot be found in the nucleus of an atom?

• Proton

• Neutron

• Electron

• None of the above