mesin ringkas

Mesin Ringkas

Tuas• Membantu melakukan kerja dengan lebih

mudah• Membantu mebawa atau menggerakkan objek

yang berat.• Membuat kerja-kerja yang berikut :

– Mengangkat objek – Membuka tudung tin/botol– Mencabut paku

• Tuas terbahagi kepada :1. Tuas kelas pertama

2. Tuas kelas kedua

3. Tuas kelas ketiga

Tuas Kelas Pertama

• Untuk mengangkat objek yang berat mesti:1. Meletakkan fulkrum sedekat yang boleh

dengan beban.2. Mengenakan daya sejauh yang boleh

daripada fulkrum.• Contoh :

a) Jongkang-jongkit b) Guntingc) Playar

Beban

Fulkrum

DayaBeban Daya

Fulkrum

Beban Daya

Fulkrum

Beban Daya

Fulkrum

Beban Daya

Fulkrum

Beban Daya

http://aa.wrs.yahoo.com/_ylt=A0S0zuz_bzZKLVoBb5rlPwx.;_ylu=X3oDMTBpdnJhMHUzBHBvcwMxBHNlYwNzcgR2dGlkAw--/SIG=1jhn4bl6e/EXP=1245167999/**http%3A//malaysia.images.search.yahoo.com/images/view%3Fback=http%253A%252F%252Fmalaysia.images.search.yahoo.com%252Fsearch%252Fimages%253Fp%253Dgunting%2526ei%253DUTF-8%2526fr%253Dyfp-t-101%26w=500%26h=375%26imgurl=static.flickr.com%252F167%252F465013383_3d3f42fb25.jpg%26rurl=http%253A%252F%252Fwww.flickr.com%252Fphotos%252Fjokotarub%252F465013383%252F%26size=221k%26name=Gunting%26p=gunting%26oid=545ba393f3f257e6%26fr2=%26fusr=jokotarub%26hurl=http%253A%252F%252Fwww.flickr.com%252Fphotos%252Fjokotarub%252F%26no=1%26tt=869%26sigr=11h0rb2q4%26sigi=11eranfk4%26sigb=12ljj319n%26sigh=1177p1851%26type=JPG

Tuas Kelas Kedua

• Beban terletak diantara fulkrum dengan daya seperti yang ditunjukkan di atas.

• Contoh:

a) Pembuka tudung botol

b) Kereta sorong

c) Pemotong kertas

Fulkrum

Beban

Daya

http://aa.wrs.yahoo.com/_ylt=A0S0zvi0cDZKId4AVQHlPwx.;_ylu=X3oDMTBpY2Y5NXNiBHBvcwM2BHNlYwNzcgR2dGlkAw--/SIG=1l0k8p7in/EXP=1245168180/**http%3A//malaysia.images.search.yahoo.com/images/view%3Fback=http%253A%252F%252Fmalaysia.images.search.yahoo.com%252Fsearch%252Fimages%253Fp%253Dkereta%252Bsorong%2526ei%253Dutf-8%2526y%253DSearch%2526fr%253Dyfp-t-101%26w=500%26h=335%26imgurl=static.flickr.com%252F2412%252F2267234410_7c266d8588.jpg%26rurl=http%253A%252F%252Fwww.flickr.com%252Fphotos%252Fanisahali%252F2267234410%252F%26size=161k%26name=Kereta%2Bsorong%26p=kereta%2Bsorong%26oid=ea9aad4479ad1d0e%26fr2=%26fusr=Niszer%2BXs%26hurl=http%253A%252F%252Fwww.flickr.com%252Fphotos%252Fanisahali%252F%26no=6%26tt=23%26sigr=11iqv81cd%26sigi=11ge06410%26sigb=1346hd8sh%26sigh=117u3vo2n%26type=JPG

Tuas Kelas Ketiga

• Daya terletak di antara beban dengan fulkrum.• Contoh :

a) Penyepit ais b) Kail memancing

c) Penyapu

Fulkrum

Beban Daya

mesin ringkas

Documents