Question

Two blocks of masses 2kg and 3kg
are connected by a light string as shown in the figure and
placed on a horizontal surface,
between all surfaces is 0.1 and g=10m/s2.
The acceleration of the system is when force applied
R=45N
2kg
3kg
7777
45 N​

Answer 1

Answer:

(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.