Question

X is a force that slows down a moving object and finally stops its motion, X is the force that also
A. Acts at a distance and pulls down object towards Earth
B. Produces fire by striking a matchstick C. causes fall of ripe fruits on the ground D. Acts only when the object is at rest.​

Answer 1

Solution :

(a) In squeezing a piece of lemon, force responsible is muscular force which changes the shape of the lemon and the agent exerting the force is fingers.

(b) In taking out paste from a tube the force changes the shape of the tube and the agent exerting the force are the hands or fingers.

(c) In suspending a load from a spring while other end is on a hook fixed, the force changes the shape of the spring and the agent exerting the force is the load.

(d) In the high jump by the athlete the force acts on the ground and the ground helps the athlete in jumping. The effect os change in motion and the cause id muscular force or friction force.

Answer 2

Answer:

Acts at a distance and pulls down object towards Earth