The center of gravity for each truck is marked X. Which truck(s) will tip over?

1) Truck 1
2) Truck 2
3) Truck 3
4) All will tip.

This is because
5) its center of gravity is highest.
6) its center of gravity is lowest.
7) its center of gravity lies beyond a point of support.
8) all the centers of gravity lie above the wheelbases.


Answer: 3, 7

Physics & Space Science

You might also like to view...

Dams at two different locations are needed to form a lake. When the lake is filled, the water level will be at the top of both dams. The Dam #2 is twice as high and twice as wide as Dam #1 . How much greater is the force of the water on Dam #2 than the force on Dam #1? (Ignore atmospheric pressure; it is pushing on both sides of the dams.)

a. 2 b. 4 c. 8 d. 16

Physics & Space Science

Two flat rectangular mirrors are set edge to edge and placed perpendicular to a flat nonreflecting surface. The edges of the two mirrors meet at a 30° angle. A light ray that approaches mirror 1 is parallel to mirror 2 . The angle of reflection of that ray from mirror 1 is a. 0°

b. 30°. c. 60°. d. 90°. e. 120°.

Physics & Space Science

Water is vital to life on our planet. Most of Earth's water supply is in the

A) oceans. B) ice caps. C) rivers, lakes, and streams. D) ground.

Physics & Space Science

As a particle is accelerated to relativistic speeds, laboratory measurements of its momentum show

1) an increase, 2) a decrease, 3) no change, and measurements of its volume show 4) an increase. 5) a decrease. 6) no change.

Physics & Space Science