7/23/2019 7.3 DYNAMICS

1/2

Learning Objective: 1.3 Application of frictional force

Learning Outcomes:

Explain with examples the existence of frictional force.

State the direction and the magnitude of frictional force.

Measure the magnitude of force.

1. Draw linestoidentify three other words that show the existence of frictional force inthe word maze below.

Q R U N N I N G L I W H

A O A R ! A G " G R W

W W # G $ L % W A O I L

G I A A D W A G R # & A

" W L L A ! ' A L G I G

( & R I $ I N G & L N L

R L G H ( I Q W G $ G

& U $ G G ) N " * A + W

* G + A , A - G U G H D

2. he diagram below shows the direction of motion when a wooden bloc! is pulledusing a spring balance.

W.ic. arrow )/*or ,shows the direction of frictional force in the diagram abo"e#

$$$$$$$$$$$$$$$

3. he diagram below shows an experiment to measure the magnitude of frictionalforce.

W.atis the magnitude of frictional force %#& in the diagram abo"e# $$$$$$$$$$$$$'

7/23/2019 7.3 DYNAMICS

2/2

Learning Objective: 1.3 Application of frictional force

Answer (c.eme

1. Draw linestoidentify three other words that show the existence of frictional force inthe word maze below.

Q R U N N I N G L I W H

A O A R ! A G " G R W

W W # G $ L % W A O I L

G I A A D W A G R # & A

" W L L A ! ' A L G I G

( & R I $ I N G & L N L

R L G H ( I Q W G $ G

& U $ G G ) N " * A + W

* G + A , A - G U G H D

2. he diagram below shows the direction of motion when a wooden bloc! is pulledusing a spring balance.

W.ic.arrow )/*or ,shows the direction of frictional force in the diagram abo"e#

(

3. he diagram below shows an experiment to measure the magnitude of frictionalforce.

W.at is the magnitude of frictional force %#& in the diagram abo"e# ).* '