Question

5. What kind of force is required to accelerate the motion of an object?

6. Give one example each of positive acceleration and negative acceleration.

7. What is the SI unit of gravitational constant G?​

Answer 1

Explanation:

friction, centripetal force,etc..

Positive acceleration- accelerating a car using gear

Negative acceleration- applying brakes

Newtons kg-2 m2

Answer 2

Answer:

5 unbalanced force

6 positive acceleration : acceleration of car

negative acceleration : braking the car

7 Newton m^2 kg^ -2