1) Momentum depends on a) Velocity and weight b) Velocity and mass c) Speed and mass d) Speed and time 2) A moment is a) A unit of time b) The turning effect of a force c) The distance from pivot to force d) A force 3) When a see saw is balanced a) There is a resultant moment b) There is no resultant moment 4) As an object falls a) Rate of deceleration increases b) Velocity decreases c) Rate of acceleration reduces d) Velocity is always constant 5) Air resistance is a a) Contact force b) Non contact force 6) Mass is a) Dependent on position b) Independent of position 7) Force is a) A scalar quantity b) A vector quantity 8) At terminal velocity a) There is a resultant force downwards b) There is no resultant force c) There is a resultant force upwards 9) During a collision, momentum a) Decreases b) Increases c) Stays the same 10) Levers are termed a) Distance multipliers b) Force multipliers c) Moment multipliers 11) Air bags and seat belts a) Increase the rate of change in momentum b) Decrease the rate of change in momentum 12) Hooke's law states force and extension are a) Inversely proportional b) Directly proportional

Forces

สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม