simple machine
description
Transcript of simple machine
Force/Effort (N) X Distance of Force (m) = Load (N) X Distance of Load (m)
Effort (N)Load (40N)
2m4m
Effort (N) Load (30N) 2m
4m
Effort (N)Load (30N)3m
3m
Learning Objective: 2.1 Analysing levers
Learning Outcome: Solve problems related to levers.
1. Solve the following problems using the formula below.
First Class Lever.
Second Class Lever.
Third Class Lever.
Answer:
Answer:
Answer:
Force/Effort (N) X Distance of Force (m) = Load (N) X Distance of Load (m)
Effort (N)Load (40N)
2m4m
Effort (N) Load (30N) 2m
4m
Effort (N)Load (30N)3m
3m
Learning Objective: 2.1 Analysing levers
Answer Scheme
1. Solve the following problems using the formula below.
First Class Lever.
Second Class Lever.
Third Class Lever.
Answer: Effort X 4m = 40N X 2m Effort = (40N X 2m) ÷ 4m = 20N
Answer:Effort X 6 m = 30N X 2m Effort = (30N X 2m) ÷ 6m = 10N
Answer:Effort X 3 m = 30N X 6m Effort = (30N X 6m) ÷ 3m = 60N