Home
Class 11
PHYSICS
A plane is inclined at an angle 30^(@) w...

A plane is inclined at an angle `30^(@)` with horizontal. The component of a vector `vec(A)= -10k` perpendicular to this plane is: (here z-direction is vertically upwards)

A

`5sqrt(2)`

B

`5sqrt(3)`e

C

`5`

D

`2.5`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GENERAL PHYSICS

    DC PANDEY|Exercise MCQ_TYPE|17 Videos
  • GENERAL PHYSICS

    DC PANDEY|Exercise MATCH THE COLUMN|6 Videos
  • FLUID MECHANICS

    DC PANDEY|Exercise Medical entranes gallery|49 Videos
  • GRAVITATION

    DC PANDEY|Exercise (C) Chapter Exercises|45 Videos

Similar Questions

Explore conceptually related problems

A plane is inclened at an angle of 30^@ with horixontal. Find the componet of a force ltbRgt vec F =- 10 hat k N perpendicular to the plane. Given that z-direction is vertically upwards.

A particle is projected up an inclined plane with initial speed v=20m//s at an angle theta=30^(@) with plane. The component of its velocity perpendicular to plane when it strikes the plane is

A particle is prjected up an inclined with initial speed v=20m//s at an angle theta=30^(@) with the plane. The component of its velocity perpendicular to the plane when it strikes the plane is:

The ratio of component of velocity striking perpendicular to the plane for upward and downward projection is:

A force is inclined at an angle of 60^(@) from the horizontal. If the horizontal component of the force is 40N. Calculate the vertical component.

A force is inclined at an angle of 60^(@) from the horizontal. If the horizontal component of the force is 40N,calculate the vertical component.

A light ray is incident on a planemirror at an angle of 30^(@) with horizontal. At what angle with horizontal must a plane mirror be placed in its path so that it bacomes vertically upwards after reflection?

Components Of Acceleration Along And Perpendicular To Inclined Plane

As an inclined plane is made slowly horizontal by reducing the value of angle theta with horizontal. The component of weight parallel to the plane of a block resting on the inclined plane-

A body of mass 10kg is placed on a smooth inclined plane making an angle of 30^(@) with the horizontal, the component of the force of gravity trying to move the body down the inclined plane is [g=9.8m//s^(2)]