A car accelerates uniformly from rest to a speed of 20 m/s in 10 seconds. What is the car’s acceleration?

• 1 m/s²

• 2 m/s²

• 4 m/s²

• 10 m/s²

Tags

NGSS.HS-PS2-1

A ball is thrown straight up with an initial velocity of 15 m/s. What is its velocity after 2 seconds?

• 5.4 m/s upward

• 0 m/s

• 5.4 m/s downward

• 9.8 m/s downward

Tags

NGSS.HS-PS2-1

What does the slope of a displacement vs. time graph represent?

• Acceleration

• Velocity

• Force

• Displacement

A runner moves at a constant speed of 6 m/s for 12 seconds. How far does the runner travel?

• 36 m

• 72 m

• 108 m

• 144 m

An object in free fall starts from rest. How far does it fall in 3 seconds?

• 14.7 m

• 29.4 m

• 44.1 m

• 88.2 m

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

A 10 kg box is pushed across a frictionless surface with a force of 50 N. What is its acceleration?

• 0.5 m/s²

• 5 m/s²

• 10 m/s²

• 50 m/s²

Tags

NGSS.HS-PS2-1

A 15 kg box is at rest on a table. What is the normal force acting on the box?

• 15 N

• 98 N

• 147 N

• 1,500 N

Tags

NGSS.HS-PS2-1

Which of the following is an example of Newton's Third Law?

• A ball accelerates when kicked.

• A book slows down due to friction

• A swimmer pushes water backward the water pushes the swimmer forwards.

• gravity pulls down a book and the book pushes down on a table.

Tags

NGSS.MS-PS2-1

A block slides down a 30° incline with a coefficient of kinetic friction of 0.2. What is the net force on the block?

• Less than gravity

• Equal to gravity

• Greater than gravity

• Zero

Tags

NGSS.HS-PS2-1

A 1,000 kg car accelerates at 3 m/s². What is the net force on the car?

• 300 N

• 3,000 N

• 10,000 N

• 30,000 N

Tags

NGSS.HS-PS2-1