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# ESE 2021 ME Technical Quiz || Friction & Kinematics and Dynamics of Particles and Rigid Bodies

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Question 1

A block weighting 100 N is resting on surface. The coefficient of friction between the block and surface is 0.3. A horizontal force of 20 N is applied on the block. What is the magnitude of force of friction acting on the block?

Question 2

The friction force is generally due to

Question 3

What is the distance ( in m ) traveled by car in 5 seconds if it is traveling at 36 kmph and is accelerated at the rate of 6 m/s2.?

Question 4

The time (in seconds) taken by the bullet in seconds to reach the ground if is fired upward at an angle of 40o with a velocity of 30 m/s is _______.

Question 5

A man is throwing a ball in a hall. The ceiling of that hall is 25 m high. He throws the ball with a speed of 40 m/s. What should be the maximum angle with the horizontal so that it can go without hitting the ceiling of the hall?
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