Physics Section

Velocity is the measure of…

• A) the rate of change of time

• B) the rate of change of distance

• C) the rate of change of position

• D) how far you go

Force is measured in…

• A) Neutrons

• B) Neftons

• C) Electrons

• D) Newtons

An object in motion is said to have…

• A) force

• B) inertia

• C) non-inertial frame of reference

• D) acceleration

How far will a car travelling at 27 m/s after 3 minutes?

• A) Impossible to tell

• B) 4.86 km

• C) 81 m

• D) 2.43km

A car at rest accelerates at 3 m/s/s for 50 seconds, what is its final speed?

• A) 150 m/s

• B) 0.06 m/s

• C) 16.667 m/s

• D) Impossible to tell

A light year is a measure of how far light travels in a standard year (365 days)

. If light travels at 300000000 m/s how far is a light year in m/s?

• A) 1.095x10 11

• B) 7200000000

• C) 1.8x10 10

• D) 9.4608x10 15

During a collision a force of 2000 N is applied to a concrete block of mass

2000kg. What acceleration will the pillar experience due to this?

• A) It’s too heavy to move

• B) 4000000 m/s/s

• C) 1 m/s

• D) 3 x 10 9 m/s/s

Why is it important that occupants in a car wear their seatbelts?

• In a collision or sudden stop occupants may be ejected due to their

  inertia

• In a collision or sudden stop occupants may be ejected due to their

  force

• In a collision or sudden stop occupants may be ejected due to their

  acceleration

• In a collision or sudden stop occupants may be ejected due to the

  Earth’s gravity.

Which of the following is NOT one of Newton’s laws of motion

• A. Every action has an equal and opposite reaction

• B. An object in motion will stay in motion until acted upon by force

• C. F=ma

• D. An object moving with constant speed will decelerate at a constant

  rate

Which of the following is NOT something you would label a free body diagram

with.

• A. Gravity

• B. Normal force

• C. Mass

• D. Air resistance