Semester 1 Practice Exam 2

Convert 78°C to K.

• 351.15 K
• 195.15 K

175 K to degrees C

• -98.15 degrees C
• 448.13 degrees C

Convert 720 cm to m

• 7.2 m
• 72 m
• 720 m
• 7200 m

Convert 96.1 kg to g

• 0.0961
• 0.961
• 9610
• 96100

Which of the laws of motion states, "To every action there is an equal but opposite reaction"?

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Law of Conservation of Momentum

Force

• N
• kg
• W
• m/s
• m/s/s

Velocity

• m/s
• N
• kg
• W
• m/s/s

Which of the following items has the MOST inertia?

• A pencil
• Your textbook
• a water bottle
• The teacher

Carl and Juan are playing catch. Carl throws a fastball to Juan and it hurts Juan's hand. Why is this the case?

• Greater the acceleration, greater the force
• Greater the mass, greater the acceleration
• Greater the acceleration, the less the force
• Greater the mass, the less the force

A person is on a paddleboard. The person exerts a force on the water with the paddle, causing the water to move. The paddleboard also moves, but in the opposite direction. Which statement best explains why this happens?

• Inertia
• Action and reaction forces
• Newton's 2nd Law of Motion
• Law of Conservation of Momentum