Practices QuestionsHomeAnswers Figure one: effort is represented by a, Load is represented by b, and the fulcrum is represented by c. 1. Figure 1 is an example of:
a) Inclined Plane
b) Pulley
c) Screw
d) Lever
2. Which of the following statement is true for Figure 1. a) b is the fulcrum, c is the load, a is the effort
b) b is the load, c is the fulcrum, a is the effort
c)b is the fulcrum, a is the effort, c is the load.
d) b is the load, a is the fulcrum, c is the effort
3.A 50 kg boy is balanced on a teeter-totter with a 80 kg boy. What is the mechanical advantage of the teeter-totter if the 50 kg boy is using his mass to lift the 70 kg boy? 4.IT takes 250 N to pull a cart up a ten meter inclined plane to a vertical height of 2.5 m. The force of gravity acting on the cart is 600 N. Determine the efficiency of the machine to the nearest whole number. 5. Where does the other 40% go to.
1. Figure 1 is an example of:
a) Inclined Plane
b) Pulley
c) Screw
d) Lever
2. Which of the following statement is true for Figure 1.
a) b is the fulcrum, c is the load, a is the effort
b) b is the load, c is the fulcrum, a is the effort
c)b is the fulcrum, a is the effort, c is the load.
d) b is the load, a is the fulcrum, c is the effort
3.A 50 kg boy is balanced on a teeter-totter with a 80 kg boy. What is the mechanical advantage of the teeter-totter if the 50 kg boy is using his mass to lift the 70 kg boy?
4.IT takes 250 N to pull a cart up a ten meter inclined plane to a vertical height of 2.5 m. The force of gravity acting on the cart is 600 N. Determine the efficiency of the machine to the nearest whole number.
5. Where does the other 40% go to.