Question

Solve the following problems.

1. How much force is needed to accelerate a toy car of mass 8 kg at 2m/s??

2. A trolley of mass 20 kg was originally at rest on a smooth horizontal surface. By how much will it accelerate if a pulling force of 22 N is
applied on it horizontally?

3. What is the weight of a 60 kg boy on the surface of the Earth? Take g = 10 m/s?

4. A 90 kg body is taken to a planet where the acceleration due to gravity is 2.5 times that of the earth. What is the weight of this body on the surface of this planet? Take g = 10 m/s^2.​

Answer 1

Answer:

kukkur ki sautan

Explanation:

samja ka