Momentum and Energy Concepts Quiz

What is the formula for calculating momentum?

Tags

NGSS.HS-PS2-2

If a 5 kg object is moving to the right at 3 m/s, what is its momentum?

• 15 kg·m/s to the left

• 15 kg·m/s to the right

• 8 kg·m/s to the right

• 8 kg·m/s to the left

Tags

NGSS.HS-PS2-2

Which of the following statements is true about momentum in a closed system?

• Momentum can be created or destroyed.

• Momentum is always conserved.

• Momentum is only conserved in elastic collisions.

• Momentum is only conserved in inelastic collisions.

Tags

NGSS.HS-PS2-2

What is the unit of energy in the International System of Units (SI)?

• Newton (N)

• Joule (J)

• Watt (W)

• Pascal (Pa)

How much work is done by a force of 10 N moving an object 5 meters in the direction of the force?

• 50 J

• 5 J

• 15 J

• 0 J

If a box is pushed with a force of 20 N at an angle of 60° to the horizontal and moves 3 meters, what is the work done?

• 30 J

• 60 J

• 20 J

• 10 J

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

Which type of energy is associated with an object's height above the ground?

• Kinetic energy

• Thermal energy

• Gravitational potential energy

• Elastic potential energy

• 19.6 J

• 98 J

• 196 J

• 20 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

Can an object have both kinetic and gravitational potential energy? What would be an example of such a scenario?

• No, it cannot have both.

• Yes, a car parked on a hill.

• Yes, a pendulum at the lowest point of its swing.

• Yes, a ball thrown upwards.

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

What does a larger spring constant (k) indicate about a spring?

• The spring is weaker.

• The spring is stronger.

• The spring is longer.

• The spring is shorter.