PHY-102 ENERGY AND CIRCULAR MOTION
FINAL PAPER 2026 COMPLETE ANSWERS
VERIFIED
◉ What is the relationship between velocity and acceleration when
speeding up? Answer: Velocity and acceleration are in the same
direction.
◉ What is the relationship between velocity and acceleration when
slowing down? Answer: Velocity and acceleration are in opposite
directions.
◉ What is the formula for net force when an object is accelerating?
Answer: EF = ma.
◉ What is the critical speed in circular motion? Answer: The
minimum speed needed to stay in a circle.
◉ What is the equation for work done in terms of energy change?
Answer: W = ΔE = E₂ - E₀.
◉ What does the slope of a velocity-time graph represent? Answer:
Acceleration.
FINAL PAPER 2026 COMPLETE ANSWERS
VERIFIED
◉ What is the relationship between velocity and acceleration when
speeding up? Answer: Velocity and acceleration are in the same
direction.
◉ What is the relationship between velocity and acceleration when
slowing down? Answer: Velocity and acceleration are in opposite
directions.
◉ What is the formula for net force when an object is accelerating?
Answer: EF = ma.
◉ What is the critical speed in circular motion? Answer: The
minimum speed needed to stay in a circle.
◉ What is the equation for work done in terms of energy change?
Answer: W = ΔE = E₂ - E₀.
◉ What does the slope of a velocity-time graph represent? Answer:
Acceleration.