8th 1.2

One force pushes a stationary object east at 10 newtons, and another force pushes west at 5 newtons. Which way will the object move?

• east
• west
• north or south
• it will not move

Tags

NGSS.MS-PS2-2

If a force of 10 newtons act on an object and an additional force of 6 newtons act in the same direction, what will be the net force on the object?

• 16 newtons
• 4 newtons
• 6 newtons
• 60 newtons

Tags

NGSS.MS-PS2-2

Which statement about velocity is true?

• If you know the velocity, you know speed
• If you know only speed, you know velocity
• You do not know direction if you know velocity
• You can know velocity even if you do not know direction

velocity is the _____ of an object

• speed
• direction
• momentum
• speed and direction

If two opposite forces act on a stationary object at the same time, and one pushes north at 16 newtons and the other pushes south at 12 newtons, which way will the object move?

• it will not move

• east or west

• north

• south

Tags

NGSS.MS-PS2-2

Assuming there is no friction and force acting on the object, how will these forces affect the position of the box?

• the forces will cause the box to move to the left

• The forces will cause the box to move to the right.

• The forces will cause the box to collapse to the ground.

• The box will not move

Tags

NGSS.MS-PS2-2

Describing a car's motion as 40 mph towards the south describes which of the following quantities?

• position

• speed

• velocity

• acceleration

\What will happen to the plane if the wind velocity decreases to 25 m/s toward the west?

• The plane will move east more quickly

• The plane will move east at the same speed.

• The plane will move east more slowly.

• The plane will begin to move west.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The force that prevents a ball rolling on the ground from continuing on its path forever is:

• inertia
• momentum
• friction
• kinetic energy

Facing north, a mountain range is on your right. Turning west, where will the mountain range be?

• in front of you
• behind you
• on your left
• on your right