Free Printable Kinematics in Two Dimension

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Kinematics in Two Dimension

Total questions: 15

Worksheet time: 6mins

Name

Class

Date

Which of the following is a vector quantity?

5 m/s

5m/s, east

none of these

Which statement describes a vector?

It has magnitude but no direction

It has both direction and magnitude

It has direction but no magnitude

It has constant magnitude but no direction

A sailboat is sailing 15 m/s due west is a

vector quantity

scalar quantity

both

none of these

A vector A 5m, east is added to vector B at 3m, west. What is the resultant?

8 m, east

2m, east

2m, west

8 m, west

A boy is pulling a cart tied with a rope at speed of 4m/s. The rope is making 30 degree with the horizontal. What is the horizontal component?

3.46 m/s

2 m/s

2.31m/s

none of these

One will use Pythagorean theorem to find the magnitude of

two horizontal vectors added

two vertical vectors added

one vertical and one horizontal vectors added

direction of the vectors

A tangent function is used to find the direction of the perpendicular vectors added. Tangent is

$\frac{\text{adjacent}}{\text{hypotenuse}}$

$\frac{\text{opposite}}{\text{adjacent}}$

$\frac{\text{adjacent}}{\text{opposite}}$

$\frac{\text{hypotenuse}}{\text{adjacent}}$

A projectile is launched at an angle of $25\degree$ above horizontal. Ignoring air resistance, what are the projectiles horizontal and vertical accelerations when it reaches its maximum height?

Both horizontal and vertical accelerations are zero

The horizontal acceleration is zero and the vertical acceleration is $9.8\frac{\text{m}}{\text{s}^2}$ .

The horizontal acceleration is $9.8\frac{\text{m}}{s^2}$ and the vertical acceleration is zero

Both the horizontal and vertical acceleration are $9.8\frac{\text{m}}{\text{s}^2}$

A ball is kicked at an angle of $30\degree$ from the horizontal. What happened to the velocity as the ball as it rises to the maximum height?

increases in positive direction

decreases in positive direction

increases in negative direction

decreases in negative direction

10.

In a projectile, the horizontal component is independent to

the range

the time

the vertical component

all of these

11.

A football player kicks a ball with initial velocity of 25m/s at an angle $53\degree$ above the horizontal. What is the vertical component of the ball?

33 m/s

20 m/s

15 m/s

10 m/s

12.

A cannonball has initial velocity of 5m/s and have a vertical component of 3m/s. What is the angle at which the cannon ball is launched?

$37\degree$

$53\degree$

$31\degree$

none of these

13.

As the projectile reaches its maximum height, what happened to its final velocity?

constant

zero

9.8 m/s

-9.8 m/s

14.

The magnitude of the first vector is 3 m to the east is connected to 4 m to the north. What is the magnitude of its resultant?

1 m

5 m

25 m

7 m

15.

A projectile is launched at 5 m/s with an angle $30\degree$ from the horizontal. What is the maximum range obtained by the ball?

2.55 m

4.33 m

2.89 m

none of these

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Kinematics in Two Dimension

Total questions: 15

Worksheet time: 6mins

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