Momentum and Energy Quiz

A sepak takraw that is kicked from a height of two meters follows a path that is __________________.

• circular

• linear

• hyperbolic

• parabolic

Which has greater momentum, the jeepney or the motor cycle?

• jeepney

• motor cycle

• both have the same momentum

• cannot be easily determined

A bus and a car are traveling along EDSA having the same velocity. Which of the two vehicles would have greater momentum?

• The bus

• The car

• both have the same momentum

• cannot easily determined

A 25-kg girl is riding a 5-kg bike with a velocity of 5 m/s the East. What is the total momentum of a girl and a bike together?

• 100 kg m/s

• 125 kg m/s

• 150 kg m/s

• 200 m/s

Which of the following is a necessary condition for the total momentum of a system to be conserved?

• Kinetic energy must not change

• No net external force acts on the system

• The system must be at rest

• Only the force of gravity acts on the system

If a freely falling is somehow equipped with a speedometer, by how much would its speed reading increase for every second?

• 0 m/s

• 9.8 m/s

• 10 m/s

• 20 m/s

The motion of an object with constant acceleration is also known as _______________.

• motion

• Uniform motion

• Constant motion

• Uniform Accelerated Motion

Which has more momentum, a heavy truck moving at 30 km/h or a light truck moving a 30 km/h?

• heavy truck

• light truck

• both have the same momentum

• cannot be determined

A moderate force will break an egg. However, an egg dropped on the road usually breaks, while one dropped on the grass usually doesn’t break. This is because for the egg dropped on the grass.

• The change in momentum is greater

• The change in momentum is less

• The time interval for stopping is greater

• The time interval for stopping is less

The impulse experienced by a body is equal to the change in its:

• velocity

• Kinetic energy

• Momentum

• Potential energy