Physics Concepts Assessment

What is the path followed by a projectile called?

• route

• pathway

• trajectory

• direction

What is the formula to calculate work done?

• Work = Force x Distance x cos(theta)

• Work = Mass x Acceleration x Distance

• Work = Force x Distance x sin(theta)

• Work = Power x Time

How is kinetic energy calculated?

• KE = 0.5 * mass * velocity^2

• KE = mass + velocity

• KE = mass * velocity

• KE = mass / velocity

What type of energy is associated with an object due to its position above the ground?

• Thermal energy

• Kinetic energy

• Gravitational potential energy

• Nuclear energy

Which quantity is conserved in the absence of external forces?

• Momentum

• Acceleration

• Velocity

• Energy

What is the horizontal component of projectile motion?

• Acceleration * cos(angle)

• Time * sin(angle)

• Initial velocity * cos(angle)

• Final velocity * sin(angle)

In the work-energy theorem, what does the work done on an object result in?

• Change in momentum

• Change in potential energy

• Change in kinetic energy

• No change in energy

What is the formula for calculating kinetic energy?

• KE = 0.5 * m * v^2

• KE = 0.5 * m * v

• KE = m * v^2

• KE = m + v

What is the energy possessed by an object due to its motion called?

• Frictional energy

• Static energy

• Potential energy

• Kinetic energy

What is the formula for gravitational potential energy?

• PE = mgh

• PE = mgh / 2

• PE = mgh + 2

• PE = mgh^2