Energy
What is the formula for kinetic energy?
What is KE = 1/2 mv²?
What is the formula for speed?
What is speed = distance/time?
Which law states that an object in motion stays in motion unless acted on by an external force?
What is Newton's First Law?
What shape does the path of a projectile follow?
What is a parabola?
What is the force that opposes motion between two surfaces?
What is friction?
What type of energy is stored due to an object's position?
What is potential energy?
What does a flat horizontal line on a velocity-time graph represent?
What is constant velocity?
What is the formula associated with Newton's Second Law?
What is F = ma?
Which component of a projectile's motion remains constant (ignoring air resistance)?
What is horizontal velocity?
What type of force acts perpendicular to a surface?
What is the normal force?
State the law of conservation of energy.
What is energy cannot be created or destroyed, only transformed?
If a car accelerates from rest at 5 m/s² for 4 seconds, what is its final velocity?
What is 20 m/s?
Which law explains why a rocket launches by expelling gas downward?
What is Newton's Third Law?
How does the vertical velocity of a projectile change during flight?
What is it decreases on the way up and increases on the way down?
On an incline, which force component points down the slope?
What is the parallel component of gravity?
If a 2 kg object is lifted 5 m high, how much gravitational potential
What is 98 Joules?
What is the difference between displacement and distance?
What is displacement is the straight-line change in position, while distance is the total path traveled?
If a 10 kg object experiences a 50 N net force, what is its acceleration?
What is 5 m/s^2?
If a ball is launched horizontally from a cliff, which factor determines how long it takes to hit the ground?
What is the height of the cliff?
What is centripetal force?
What is the inward force required for circular motion?
What is mechanical energy?
What is the sum of kinetic and potential energy in a system?
An object is thrown upward with an initial velocity of 30 m/s. How long does it take to reach the peak? (Assume g = 9.8 m/s²)
What is approximately 3.06 seconds?
Why do astronauts feel weightless in orbit?
What is because they are in free fall around Earth?
A projectile is launched at 45 degrees with a speed of 20 m/s. What are the horizontal and vertical components of the velocity?
What is 14.14 m/s for both components?
What happens to gravitational force if the distance between two objects is doubled?
What is it decreases by a factor of four?