Final Review

1. The direction and speed of an object are described by its __________.

• A) Displacement

• • B) Velocity

• • C) Average speed

• • D) Acceleration

Tags

NGSS.MS-PS3-1

1. What does the equation d=vt describe?

• • A) Distance is speed multiplied by time.

• • B) Speed is distance divided by time.

• • C) Time is speed divided by distance.

• • D) Speed is time divided by distance.

1. A car travels 120 km in 2 hours. What is its average velocity?

• • A) 60 km/h

• • B) 30 km/h

• • C) 240 km/h

• • D) 20 km/h

Tags

NGSS.3-PS2-2

1. What is the force required to accelerate a 50 kg box at 4 m/s²?

• • A) 200 N

• • B) 25 N

• • C) 12.5 N

• • D) 400 N

Tags

NGSS.HS-PS2-1

1. Newton’s First Law of Motion (the Law of Inertia) states that:

• • A) Objects at rest will stay at rest unless acted on by a net force.

• • B) Objects accelerate when a force is applied.

• • C) Forces always come in pairs.

• • D) The net force on an object is zero.

1. A ball is dropped from a tall building. If air resistance is ignored, the ball’s acceleration due to gravity is:

• • A) Constant and directed downward.

• • B) Constant and directed upward.

• • C) Increasing over time.

• • D) Decreasing over time.

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NGSS.HS-PS2-4

11. A ball is lifted to a height of 10 meters. What type of energy does it gain?

• • A) Thermal energy

• • B) Gravitational potential energy

• • C) Mechanical energy

• • D) Chemical energy

1. Mike drove 80 km west and then 100 km east. What is his total distance?

• • A) 180 km

• • B) 20 km east

• • C) 20 km west

• • D) 0 km

1. Which of the following is an example of acceleration?

• • A) A car speeding up on a highway.

• • B) A bicycle slowing down at a stop sign.

• • C) A skateboard turning a corner.

• • D) All of the above.

Tags

NGSS.HS-PS2-1

1. A person pushes a 10 kg box with a force of 50 N, causing it to slide. If the box moves 5 m, how much work is done?

• • A) 250 J

• • B) 500 J

• • C) 5 J

• • D) 100 J

Tags

NGSS.HS-PS3-1