Question 1

When you push the brakes in a car, which simple machine is primarily at work?

Question 2

If a weight is placed on the shorter arm of a lever, and an effort is applied on its longer arm, how will the mechanical advantage be?

Question 3

Which of the following is not a type of simple machine?

Question 4

If two gears are interconnected and the first gear turns clockwise, in which direction will the second gear turn?

Question 5

Why do scissors have long handles and short blades?

Question 6

A pulley system has 4 ropes supporting a weight. Compared to lifting the weight without pulleys, how is the effort required?

Question 7

In a hydraulic system, if a small force is applied to a small piston, what will be the force on a larger piston?

Question 8

Which tool would be best to use to increase torque for turning a bolt?

Question 9

When an object floats in water, what can be said about the weight of the water displaced by the object?

Question 10

If you wanted to lift a heavy object with less force, where should you place the fulcrum of a lever?

Question 11

Two gears are meshed together. If the first gear turns clockwise, in which direction does the second gear turn?

Question 12

Which principle explains why it's easier to drink using a straw in a tall glass than in a wide, shallow dish?

Question 13

A weight is hung from the middle of a rope that is stretched between two poles. What shape will the rope form?

Question 14

If a screw has more threads per inch, what can be said about the mechanical advantage it provides?

Question 15

A heavy box is placed on a ramp. What can reduce the force needed to keep the box from sliding down?

Question 16

Which of the following tools would provide the greatest mechanical advantage for turning a bolt?

Question 17

Why does a boat float on water?

Question 18

If you push an object on a frictionless surface, what will happen to the object after you stop pushing it?

Question 19

In a hydraulic lift system, if the piston on one side is larger than the piston on the other, how will the force output compare to the force input?

Question 20

A lever has its fulcrum in the centre, with equal weights on either side. What can be said about the lever?

Question 21

Why does ice float on water?

Question 22

Which simple machine consists of a flat surface with one end higher than the other?

Question 23

What determines the pitch of a sound produced by a vibrating object?

Question 24

In a pulley system, if you want to lift a weight with lesser effort, you would:

Question 25

When a force is applied to an inclined plane, the force can be split into two components. These components are:

Question 26

Which simple machine is designed to change the direction of a force?

Question 27

If you want to increase the amount of force output from a hydraulic system, what should you do?

Question 28

What type of energy is associated with the motion of an object?

Question 29

Which of the following is an example of a second-class lever?

Question 30

If you increase the length of a lever arm, what effect does it have on the mechanical advantage?