7/25/2019 Lower 6 B - Assessment 31 - 19 Mar 2015
1/3
Date: ................................................ Class:
..Lower 6
Blue.....
Name:
....................................................................
Assessment 3
A. Choose the best option from the
possible answers given and
encircle clearly.
1 Five speeds are listed.
6 m s1 6 cm s1
6 km s1 6 m 1
!tartin" wit te smallest# wat is
te order o$ increasin" ma"nitude o$
tese speeds%
A 6 m s16 cm s16 km s16 m 1
B 6 cm s16 m s16 km s16 m
1
C 6 m 16 cm s16 km s16 m
s1
D 6 m 16 cm s16 m s16 km
s1
2 &ic o$ te $ollowin" correctl' lists
one scalar and one vector (uantit'%
Scalar Vector
A displacement velocit'
B speed displacement
3 )e dia"ram sows a strip o$ paper
tape pulled at constant speed under
a ticker*timer. )e ticker*timer makes
+, dots per second.
-, cm
&at was te speed o$ te o/ect%A - cm s1
B 1, cm s1
C 0,, cm s1
D -,, cm s1
4 A all is trown verticall' upwards. t
rises to a ma2imum ei"t were it
is momentaril' at rest. t ten $alls
downwards. &ic statement is true
aout te all4s acceleration%
A )e acceleration o$ te all is
alwa's in te same direction as its
velocit'.
B )e acceleration o$ te all is
alwa's in te opposite direction to
its velocit'.
C )e acceleration o$ te all is
downwards at all points includin"
.
D )e acceleration o$ te all is 5ero
at .
5 A landin" module is $allin" towards
te oon4s sur$ace at a stead' speed
o$ +.,, m s1. At a ei"t o$ 60.+ m# a
small o/ect ecomes detaced $rom
te landin" module and accelerates
down wit te acceleration o$ $ree $all
on te oon 1.6, m s0. At wat
speed does te o/ect it te oon%
A 1-.1 m s1 B 1+., m s1
C 0,, m s1 D 00+ m s1
