Basic Science

What is another name for the First Newton's Law of Motion

• Law of Inertia

• Law of movement

• Law of conservation of linear momentum

• Law of force

Runner A (blue) ran the same distance as Runner B (black).

• True
• False

While walking down the hall you step off 14 paces. You realize you dropped something and walk back 5 paces to pick it up. After picking up the item, you walk in the original direction 13 paces. What is your distance traveled?

• 32 paces

• 21 paces

• 19 paces

• negative 4 paces

An object moving in a circular path with uniform speed experiences a continuous change in its

• direction

• velocity

• speed

• both a and b

Displacement is represented by-

• slope of s-t graph

• slope of v-t graph

• area under s-t graph

• area under v-t graph

Which of the following is the closest match to the definition of motion?

• An objects change in position relative to a reference point
• The change in position of an object
• Constant speed

A force that opposes motion between two surfaces that are in contact.

• Speed
• Velocity
• Friction
• Force

What is the correct formula (s) for velocity

• v=s(u+at)

• v=u+at

• v=ut+at²/2

• v²=u²+2as

What particle is released when an unstable isotope undergoes alpha radiation?

• a helium nucleus

• an electron

• a photon of light

• a neutron

A very important experiment increased scientists’ understanding of the structure of matter.

In the experiment, particles scattered as they passed through a thin metal foil.

Which particles were used, and to which conclusion did the experiment lead?

• A

• B

• C

• D