Question 71 : The motion of a projectile follows a?
1. vertical path.
2. curved path.
3. straight path.
4. spinning path.
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Question 72 : The horizontal distance from the origin (x=O, y=O) to the point where the projectile returns (x = R, y=O) is called?
1. maximum height of the projectile
2. Vertical component of the projectile
3. Trajectory of the projectile
4. Range of the projectile
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Question 73 : In the analysis of projectile motion, it is assumed that effect of air resistance is?
1. important
2. considerable
3. None of these
4. negligible
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Question 74 : A player making a long jump is an example of?
1. Projectile motion.
2. Rotatory motion.
3. Spinning motion.
4. Horizontal motion.
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Question 75 : When a body moves with a constant speed in a circle?
1. its velocity is changing
2. its acceleration is increasing
3. its velocity is uniform
4. its acceleration is zero
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Question 76 : If we drop a ball in horizontal direction than its motion will no longer be straight downward but will be at some?
1. height to the vertical.
2. angle to the vertical.
3. steps to the vertical.
4. distance to the vertical.
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Question 77 : The path followed by a projectile is called its?
1. Territory
2. Treasury
3. Trajectory
4. Tractor
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Question 78 : Kicked or thrown balls, jumping animals, object thrown from a window, a missile shot from a gun, a bomb released from a bomber plane, etc are all example of?
1. Projectiles
2. Mechanical energy
3. Velocity
4. Machine
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Question 79 : Any object that is given any initial velocity and which follows a path due to gravitational force acting on it and by the frictional resistance of the atmosphere is called?
1. Positive current
2. Projector
3. Projectile
4. Promotion
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Question 80 : The projectile motion and circular motion are good example of ?
1. Three dimension motion.
2. None of these
3. One dimension motion.
4. Two dimension motion.
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