- ½ cos α
- ½ sin α
- ½ tan α
- 2 cos α
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The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of?
Answer: Option 3 Let'
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A body of weight W is required to move up the rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by (where $$\mu $$ = $$\tan \varphi $$ = Coefficient of friction between the plane and the body)?
Answer: Option 3 Let'
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The time of flight (t) of a projectile on an upward inclined plane is (where u = Velocity of projection, $$\alpha $$ = Angle of projection and $$\beta $$ = Inclination of the plane with the horizontal.)?
Answer: Option 2 Let'
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A body of weight 'W' is required to move up on rough inclined plane whose angle of inclination with the horizontal is 'α'. The effort applied parallel to the plane is given by (where μ = tanφ = Coefficient of friction between the plane and the body.)?
Answer: Option 3 Let'
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Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle).?
Answer: Option 1 Let'
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The angle of inclination of the plane, at which the body begins to move down the plane is called?
Answer: Option 2 Let'
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The angle of inclination of the plane at which the body begins to move down the plane, is called?
Answer: Option 1 Let'
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A body of weight ‘w’ placed on an inclined plane is acted upon by a force ‘P’ parallel to the plane which causes the body just to move up the plane. If the angle of inclination of the plane is ‘θ’ and angle of friction is ‘φ’, the minimum value of ‘P’, is?
Answer: Option 2 Let'
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