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A 0.58-kg basket falls from a height of 7.7 m. How much work is done by gravity on the ball?
weight=900N on the earth what is weight on Jupiter where the acceleration due to gravity is 25.9m/s^2
1. Calculate the dot product of vectors a and b where a is 4 units and b is 8 units and angle Theta is 67
1. Calculate the dot product of vectors a and b where a is 4 units and b is 8 units and angel theta is 67
Give 2 situation wherein static is applicable in our lives.
Give 2 situations wherein kinetic friction is applicable in our lives.
A wooden disc of 2 m radius and 120 kg mass rotates through a vertical axis at the
centre of the disc. Later a 100 kg bag containing sand is released vertically onto the disc
at a point near the side of the disc. (o = 3 rad s-1)
Calculate the
(a) moment of inertia of the disc. [3 m]
(b) angular velocity after the sand bag is released (assume that the sand bag is a
particle).
A pulley is mounted on a frictionless axis and then the pulley is attached to the
higher end of the inclined surface as shown in the figure. A massless cord is
wrapped around the pulley while its other end is tied to a 1.0 kg object. The pulley
has a radius of 20 cm and moment of inertia of 0.4 kg m2
. The angle of the surface
is 37° and the coefficient of kinetic friction is 0.2. The object is released from
rest. The pulley starts to rotate as the object moves and the cord unwinds.
Determine the acceleration of the object and the tension in the cord.
#340153 on Dec 2023