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प्रश्न
Multiple Choice Question. Select the correct option.
Action-reaction forces
पर्याय
act on the same body
act on different bodies
act along different lines
act in same direction
उत्तर
act on different bodies
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संबंधित प्रश्न
The north pole of a magnet ______ the north pole of another magnet.
State one factor on which the magnitude of a non-contact force depends. How does it depend on the factor stated by you?
A ball is moving on a perfectly smooth horizontal surface. If no force is applied on it, then will its speed decrease, increase or remain unchanged?
Two equal and opposite forces act on a stationary body. Will the body move? Give a reason to your answer.
A car initially at rest, picks up a velocity of 72 kmh−1 in 20 seconds. If the mass of the car is 1000 kg, find
- Force developed by its engine
- Distance covered by the car.
A golfer hits a ball at rest, such that the contact between the ball and golf stick is for 0.1 s. If the golf ball covers a linear distance of 400 m in 2 s, find the magnitude of force applied. Mass of golf ball is 50 g.
Explain the following:
Why do we jerk wet clothes before spreading them on a line?
What is a non-contact force?
While sieving grains, small pieces fall down. Which force pulls them down?
Figure shows a car sticking to an electromagnet. Name the forces acting on the car. Which one of them is larger?
