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प्रश्न
When a stone tied to a string is rotated in a horizontal plane, the tension in the string provides ______ force necessary for circular motion.
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उत्तर
When a stone tied to a string is rotated in a horizontal plane, the tension in the string provides centripetal force necessary for circular motion.
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संबंधित प्रश्न
State two condition for a body acted upon by several forces to be in equilibrium.
The figure shows a uniform metre rule placed on a fulcrum at its mid-point O and having a weight 40 gf at the 10 cm mark and a weight of 20 gf at the 90 cm mark.
- Is the metre rule in equilibrium? If not how will the rule turn?
- How can the rule be brought in equilibrium by using an additional weight of 40 gf?
A uniform meter scale is in equilibrium as shown in the diagram :
(i) Calculate the weight of the meter scale.
(ii) Which of the following options is correct to keep the ruler in equilibrium when 40 gf wt is shifted to 0 cm mark ?
F is shifted towards 0 cm
or
F is shifted towards 100 cm
State two conditions for a body acted upon by several forces to be in equilibrium.
A meter scale is pivoted at its mid point and a 50 g mass suspended from the 20 cm mark. What mass balances the ruler when suspended from 65 cm mark?
What makes a balance faulty?
The moon revolving around the earth is in ______ equilibrium.
State the principle of moments.
What is meant by equilibrium and state the conditions of equilibrium of a body?
A non uniform beam of weight 120 N pivoted at one end is shown in the diagram below. Calculate the value of F to keep the beam in equilibrium.
