1) To which class does this lever belong ? a) first class b) second class c) third class  d) This is not a lever  2) To which class does this lever belong ? a) first class b) second class c) third class d) This is not a lever 3) To which class does this lever belong ? a) first class b) second class c) third class d) This is not a lever 4) To which class does this lever belong ? a) first class b) second class c) third class d) This is not a lever 5) To which class does this lever belong ? a) first class b) second class c) third class d) This is not a lever 6) To which class does this lever belong ? a) first class b) second class c) third class d) This is not a lever 7) What is found in the middle of a second class lever ? a) load b) Fulcrum c) Effort 8) What is found in the middle of a first class lever ? a) load b) Fulcrum c) Effort 9) What is found in the middle of a third class lever ? a) load b) Fulcrum c) Effort 10) Effort force is  a) The force exerted by man to use the lever. b) The fixed point of the lever. c) The load exerted by the body we want to lift by the lever..

Levers

สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม