Sem. 1 Physics Midterm

Question 1

For every action there is a ____ and opposite reaction.

Accepted Answer

equal

Question 2

What do the letters represent ?

Accepted Answer

force, mass, acceleration

Question 3

An object at rest will remain at rest unless acted upon by an outside ________ .

Accepted Answer

unbalanced force

Question 4

What material is a conductor ?

Accepted Answer

silver

Question 5

True or False : Laws of Physics was determined using the scientific method.

Accepted Answer

True

Question 6

Which step in the scientific method involves recording what is discovered from an experiment ?

Accepted Answer

Step 4

Question 7

How does a glider convert the potential energy it gains to kinetic energy ?

Accepted Answer

it flies down

Question 8

A ___ circuit is a circuit in which electrical current can follow more than 1 path.

Accepted Answer

parallel

Question 9

True or False : Electricity can travel around a circuit.

Accepted Answer

False

Question 10

When you lean against a wall, the wall pushes back on you. Which law does this relate to ?

Accepted Answer

Newton's 3rd Law

Question 11

What's a resistor ?

Accepted Answer

a material that slows down the flow of electrical current

Question 12

Why is a bulb brighter when it's powered by 2 batteries rather than 1 ?

Accepted Answer

because the flow of electricity in the circuit is greater.

Question 13

A 20 kg scooter accelerates at 10 m/s2. What is the net force ?

Accepted Answer

200 N

Question 14

Something that changes the position, shape, or speed of an object is ...

Accepted Answer

force

Question 15

A guess about what has been observed is the definition of a ...

Accepted Answer

hypothesis

Questions 15