Wheel and Axle

Q.

Identify the simple machine which is responsible for changing the point of application of force.

1. Screw

2. Wheel

3. Wedge

4. Lever

Q.

A machine acts as a force multiplier and a speed multiplier simultaneously.

1. False

2. True

Q.

Why is the handle of an ordinary water handpump made longer?

1. The mechanical advantage increases with the increase in effort arm.

2. The mechanical advantage increases with the increase in load arm.

3. It will decrease the efficiency.

4. The mechanical advantage decreases with the increase in effort arm.

Q.

Which one of the following statement is true for an ideal machine?

1. For an ideal machine, the work done by the machine is always equal to the work done on it.

2. For an ideal machine, the work done by the machine is always greater than the work done on it.

3. For an ideal machine, the work done by the machine is always less than the work done on it.

4. For an ideal machine, the work done by the machine is never equal to the work done on it.

Q.

Which among the following is an example of wheel and axle?

1. Sugar tongs

2. Water tap

3. Spade

4. Forceps

Q.

A faucet handle is an example of:

1. inclined plane

2. wheel and axle

3. wedge

4. fixed pulley

Q. Consider a trolley (hand truck) which is used in a supermarket to hold objects. Which simple machines are a part of the trolley?

1. A pulley and a wheel and axle

2. An inclined plane and a wheel and axle.

3. A wedge and a pulley

4. A lever and a wheel and axle

Q.

Which of the following simple machine is used for linear motion?

1. Inclined plane

2. Screw

3. Wheel and axle

4. Wedge

Q.

What is the rod connecting the two wheels called?

1. Weight

2. String

3. Pulley

4. Axle

Q.

Which of the following machines utilize a wheel and axle?

1. Screw

2. Scissors

3. Wheel

4. Wedge