Chemistry, 01.09.2021 17:50 destineysarah

2. Choose the best answers 1. A spon used to open the lid of a can is...
(1) first class lever
(ii) second class lever
(ii) thin class lever
(i) none of them.

2. Which simple machine is used to right the screw with screw driver?
(1) Lever (ii) Wheel and Axle (ii) inclined plane (iv) Wedge

3.Which category of the simple machine is autotly Kito
(i) Lever (ii) Wheel and Axle (iii) Pulley (iv Wedged.

4. Which type of the simple machine is the axe!
(1) Lever (2) Screw (3) Wedge (4) Inclined plane

5. Which type of the simple machine is winding road in hilly
(i) Lever (ii) Wedge (iii) Serew (iv) Inclined plane

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 18:00, faithabossard

Which three statements represent the benefits of performing experiments using computer simulations?

Answers: 3

continue

Chemistry, 22.06.2019 19:00, innocentman69

How does a catalyst increase the speed of a reaction? a. the catalyst eliminates the activated complex stage, allowing products to form immediately. b. the catalyst lowers the energy level of the reactants, making it easier for them to react. c. the catalyst makes it easier for the activated complex to form, lowering the activation energy. d. the catalyst raises the energy level of the products, making the reaction finish sooner. reset next

Answers: 1

continue

Chemistry, 23.06.2019 04:31, laurenbreellamerritt

How big are the bighest ocean waves at mavericks

Answers: 1

continue

Chemistry, 23.06.2019 13:00, niki209

How many grams of oxygen gas will react completely with a block of calcium metal that is 3.0 cm by 3.5 cm by 4.2 cm, if the density of calcium is 1.55 g/ml? show all steps of your calculation as well as the final answer.

Answers: 3

continue

You know the right answer?

2. Choose the best answers 1. A spon used to open the lid of a can is...
(1) first class lev...