Newton's 3 Laws Quiz

Jessica is comparing two balls. One ball has a mass of 1 kg, and the other has a mass of 2 kg. She pushes each with a force of 100 N. How do the accelerations of the two balls compare? Hint: check pages 55-59

• The 1 kg ball accelerates the same as the
  2 kg ball.

• The 1 kg ball accelerates half as much as the 2 kg ball.

• The 1 kg ball accelerates twice as much as the 2 kg ball.

• The 1 kg ball accelerates four times as much as the 2 kg ball.

Tags

NGSS.MS-PS2-2

A fisherman steps off a boat, which is in the water, onto a dock. What happens? Hint: check pages 60-63

• The boat and dock do not move.

• The boat moves away from the dock.

• The boat moves toward the dock.

• The dock moves away from the boat.

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NGSS.MS-PS2-1

NGSS.MS-PS2-2

Look at the diagram of forces acting on an object.

The picture shows a push and a pull acting on a box of books sitting on the floor. What is the net force toward the right on the box?

Hint: check pages 50-51

• 0 N

• 50 N

• 100 N

• 2,500 N

Tags

NGSS.MS-PS2-2

When two objects having different masses collide, they move away from each other at different speeds. Which is true of the forces exerted at the moment of impact?

Hint: check page 60

• The forces exerted when they collide are equal and opposing.

• The forces exerted when they collide are unequal and opposing.

• The forces exerted when they collide are equal and in the same direction.

• The forces exerted when they collide are unequal and in the same direction.

Tags

NGSS.MS-PS2-1

An airplane is traveling at a speed of 200 m/s relative to the Earth. A person walks toward the front of the plane at a speed of 1 m/s. How fast is that person traveling in reference to the other people on the airplane?

Hint: check page 47

• 0 m/s

• 1 m/s

• 200 m/s

• 201 m/s