2025 THIRD NINE WEEKS PHYSICS -- MURRAY

If the sum of all the forces acting on a moving object is zero, the object will do which of the following?

• Accelerate uniformly

• Continue moving with constant velocity

• Slow down and stop

• Change the direction of its motion

Tags

NGSS.HS-PS2-1

Which of the following objects in motion has the highest inertia?

• A. A 5.0 kg mass moving at 2.0 m/s

• B. A 6.0 kg mass moving at 10. m/s

• C. A 8.0 kg mass moving at 9.0 m/s

• D. A 15 kg mass moving at 2.0 m/s

A person is on an airplane. They feel like they are being lifted out of their seat. What describes the motion of the airplane?

• The plane is landing at a changing rate of speed.

• The plane is landing at a constant rate of speed.

• The plane is taking off at a constant rate of speed.

• The plane is taking off at an changing rate of speed.

A tractor is traveling at 10.0 meters per second. It then accelerates at a constant rate of 0.4 meters per square second. How long will it take the tractor to reach a speed of 14.0 meters per second?

• 0.7 s

• 1.4 s

• 10.0 s

• 60.0 s

Tags

NGSS.HS-PS2-1

A ball is thrown vertically upward with an initial speed of 29.4 meters per second. What is the maximum height reached by the ball, to the nearest tenth of a meter?

• 44.1

• 39.2

• 49.0

• 35.3

A student drops an object from the top of a building 19.6 meters from the ground. How long does it take the object to fall to the ground?

• 2.00 seconds

• 3.00 seconds

• 4.00 seconds

• 19.6 seconds

Tags

NGSS.HS-PS2-1

An object starts from rest and falls freely. What is the speed of the object at the end of 3.00 seconds?

• 9.81 m/s

• 19.6 m/s

• 29.4 m/s

• 88.2 m/s

Tags

NGSS.HS-PS2-1

Which of the following is true about a freely falling object near Earth's surface?

• It has a constant velocity of 1.00 m/s.

• It has a constant acceleration of 1.00 m/s².

• It has a constant acceleration of 9.81 m/s².

• It has a constant velocity of 9.81 m/s.

Tags

NGSS.HS-PS2-4

An object is uniformly accelerated from rest to a speed of 25 meters per second in 10 seconds. What is the acceleration of the object?

• 1.0 m/s²

• 1.5 m/s²

• 2.0 m/s²

• 2.5 m/s²

Tags

NGSS.HS-PS2-1

A ball dropped from rest falls freely until it hits the ground with a speed of 20 meters per second. Which of the following best approximates the time during which the ball is in free fall?

• 0.5 s

• 1 s

• 2 s

• 10 s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4