Physics-
General
Easy
Question
A particle of mass m moves along line PC with velocity v as shown. What is the angular momentum of the particle about P?
- mvL
- mvr
- zero
The correct answer is: zero
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Two forces each numerically equal to 10 dynes are acting as shown in the following figure, then the resultant is –
Two forces each numerically equal to 10 dynes are acting as shown in the following figure, then the resultant is –
physics-General
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Three Forces F1 and F2 together keep a body in equillibrcium. If F1 =3 N along the positive X axis F2 =4 N along the positive Y. axis, then the third force F3 is
Three Forces F1 and F2 together keep a body in equillibrcium. If F1 =3 N along the positive X axis F2 =4 N along the positive Y. axis, then the third force F3 is
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A boat moving upstream with velocity 3 
w.r.t. ground. An observer standing on boat observes that swimmer 'S' is crossing the river perpendicular to the direction of motion of boat. If river velocity is 4m/s & swimmer crosses the river width 100 m in 50 sec then -
A boat moving upstream with velocity 3 w.r.t. ground. An observer standing on boat observes that swimmer 'S' is crossing the river perpendicular to the direction of motion of boat. If river velocity is 4m/s & swimmer crosses the river width 100 m in 50 sec then -
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Vector 
in figure represents –
Vector in figure represents –
physics-General
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The resultant of the three vectors 
, 
and 
shown in figure is –
The resultant of the three vectors , and shown in figure is –
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Two forces, each numerically equal to 5 N, are acting as shown in the figure. Then the resultant is-
Two forces, each numerically equal to 5 N, are acting as shown in the figure. Then the resultant is-
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For the vectors 
and 
shown in figure = 
and || = 10 units while 
then the value of R = 
is nearly –
For the vectors and shown in figure = and || = 10 units while then the value of R = is nearly –
physics-General
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Two forces, each numerically equal to 5 N, are acting as shown in the Fig. Then the resultant is–
Two forces, each numerically equal to 5 N, are acting as shown in the Fig. Then the resultant is–
physics-General
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A body of mass m is thrown upwards at an angle 
with the horizontal with velocity v. While rising up the velocity of the mass after t seconds will be-
A body of mass m is thrown upwards at an angle with the horizontal with velocity v. While rising up the velocity of the mass after t seconds will be-
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In a projectile motion, velocity at maximum height is -
In a projectile motion, velocity at maximum height is -
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A body is thrown with a velocity of 9.8 m/s making an angle of 
with the horizontal. It will hit the ground after a time -
A body is thrown with a velocity of 9.8 m/s making an angle of with the horizontal. It will hit the ground after a time -
physics-General
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A particle covers 50 m distance when projected with an initial speed. On the same surface it will cover a distance, when projected with double the initial speed -
A particle covers 50 m distance when projected with an initial speed. On the same surface it will cover a distance, when projected with double the initial speed -
physics-General
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If time of flight of a projectile is 10 seconds. Range is 500 meters. The maximum height attained by it will be -
If time of flight of a projectile is 10 seconds. Range is 500 meters. The maximum height attained by it will be -
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When a body is thrown with a velocity u making an angle with the horizontal plane, the maximum distance covered by it in horizontal direction is -
When a body is thrown with a velocity u making an angle with the horizontal plane, the maximum distance covered by it in horizontal direction is -
physics-General
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At the top of the trajectory of a projectile, the acceleration is -
At the top of the trajectory of a projectile, the acceleration is -
physics-General
