Inclined Plane

Q.

A screwdriver belongs to category of simple machines.

1. screw

2. wedge

3. wheel and axle

4. none of these

Q. Escalator is an example of which simple machine?

1. Screw
2. Pulley
3. Inclined plane
4. Wheel and axle

Q.

Which of the following devices is used to hoist national flag ?

1. Screw

2. Wedge

3. Lever

4. Pulley

Q. Q.One of the rectangular components of a force of 40N is 20N .Find the angle it makes with this component.

Q.

Axe is an example of ___ .

Q.

A slide in a park is an example of ________.

1. inclined plane
2. wheel and axle
3. screw
4. pulley

Q.

What are the applications of the radius of gyration in structural engineering?

Q. A vertical disc has three grooves directed along the chords AB, AC andAD.Three bodies begin to slide down the respective grooves from A simultaneously.If AB>AC>AD, the respective time interval reach the bottoms of the respective grooves t1, t2, t3 are

Q. Which of the following is not an example of an inclined plane?

1. Ladder
2. Wall
3. Slide
4. Stairs

Q. Explain the structure and mechanism of a screw.

Q.

A ramp is an example of

1. Pulley

2. Wheel and Axle

3. Wedge

4. Inclined plane

Q.

A hill road is an example of __________.

Q. Explain distance of the closest approach in detail.

Q. Inclined plane increases the amount of force required to move an object but distance covered decreases.

1. True
2. False

Q.

The threads on a screw are an example of _______ .

1. Wedge

2. An inclined plane

3. A lever

4. A pulley

Q.

When does a wheel and axle acts like a force multiplier?

Q.

State the different types of levers. Give two examples of each.

Q. For a given height, the steeper the slope, the longer is the inclined plane.

1. True

2. False

Q.

Essay on autobiography of wheel

Q.

The mechanical advantage of the wheel and axle is given by MA = Radius of wheel / Radius of the axle.

1. True
2. False

Q.

Explain the relation between inclined plane and screw .Describe the working of (a) jack used to lift car (b)vice.

Q.

A nutcracker is a lever of ………….order.

Q.

The base of a bathtub is an inclined plane.

1. True

2. False

Q. What is unbalanced wheetstone bridge.

Q. Which inclined plane uses the least amount of force?

1. Short height, long length
2. Short height, short length
3. Tall height, short length
4. Tall height, long length

Q. Which of these objects converts rotational force into linear force?

Q.

In general, how many simple machnies are there ?

1. 7

2. 4

3. 5

4. 6

Q.

The smaller the lead of the screw, the _______ is the mechanical advantage.

Q.

A wedge possesses ______ inclined planes.

1. 2

2. 4

3. 0

4. 3

Q.

Give an example of a wheel and axle.