Advertisements
Advertisements
प्रश्न
What is the (a) force of gravity and (b) weight of a block of mass 10.5 kg ? Take g = 10 ms-2 .
Advertisements
उत्तर
Mass, m = 10.5 kg
G = 10 m/s2
(a) Force, F = mg
F = (10.5) (10) = 105 N
(b) Weight, w = mg
w = (10.5) (10) = 105 N
APPEARS IN
संबंधित प्रश्न
The weight of a body on Earth is 98 N, where acceleration due to gravity is 9.8 m s-2. What will be its (a) mass and (b) weight on the Moon, where acceleration due to gravity is 1.6 m s-2?
A bullet of mass 30 g, and moving with a velocity x hits a wooden target with a force of 187.5 N. If the bullet penetrates 80 cm, find the value of x
Name the device used for measuring weight
A man sits in a machine which generates acceleration five times more than the acceleration due to gravity. If the mass of the man is 80 kg, what is his weight? Take g = 10 ms−2.
A man weigh 800 N at the equator. How does the weight of man change at the following place?
100 km up in space
Name the instrument used to measure the weight of a body.
In the below figure, a block of weight 20 N is hanging from a rigid support by a string. Find:
The force exerted by block on the string.
In the below figure, a block of weight 20 N is hanging from a rigid support by a string. Find:
The force exerted by string on the block.
A cricket ball of mass 500 g moving at a speed of 30 ms 1 is brought to rest by a player in 0.03 s. Find the average force applied by the player.
