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Which of the statements given are correct?
1. Coriolis effect is zero at the Equator.
2. Coriolis effect is more towards the Poles.
3. Coriolis effects are related to the decreasing rotational velocity with increasing latitudes.
4. Coriolis effects are related to the increasing rotational velocity with increasing latitudes.
When a stone thrown directly upwards reaches the top, it: A. Velocity and acceleration are zero. B. The velocity is zero and the acceleration is about 10 m/s2. C. Velocity is about 10 m/s and acceleration is zero. D. The velocity is about 10 m/s and the acceleration remains the same.
Coriolis component of acceleration depends on 1. angular velocity of the link 2. acceleration of the slider 3. angular acceleration of the link Which of the above is/are correct?
Consider the following statements with reference to Coriolis force: It is an imaginary force acting on a moving object due to the rotation of the earth. Ferrel’s Law of Deflection is the effect of the Coriolis Force. The Coriolis Force is maximum at the Equator while it is minimum at Poles. In the southern hemisphere, it deflects the winds to the Right. Which of the following statement(s) is/are incorrect?
In a crank and slotted lever type quick return mechanism, the link moves with an angular velocity of 20 rad/s, while the slider moves with the linear velocity of 1.5 m/s. The magnitude and direction of Coriolis component of acceleration with respect to angular velocity are
The tangential component of acceleration of the slider with respect to the coincident point on the link is called coriolis component of acceleration.
Coriolis component of acceleration is a component of translatory acceleration.
A slider moves with uniform velocity on a revolving link of length r with angular velocity ω. The Coriolis acceleration component of a point on the slider relative to a coincident point on the link is equal to
A slider moves with uniform velocity v on a revolving link of length r with angular velocity of ω. The Coriolis acceleration component of a point on the slider relative to a coincident point on the link is equal to
Which of the following is NOT true about Frictional force? A. Friction is the force which opposes the relative motion of two surfaces in contact. B. The force of friction that acts when a body is moving (sliding) on a surface is called sliding friction. C. Friction in machines wastes energy and also causes wear and tear. D. Rolling friction is much more than sliding friction, the use of ball bearings in a machine considerably reduces friction.