1 A child is pulling a toy car along a horizontal surface : (a) Name the forces acting on - Science - Work and Energy

Question

1 A child is pulling a toy car along a
horizontal surface :
(a) Name the forces acting
on the toy car 
(b) Which of these forces
performs positive work? 
(c) Which of these forces
performs negative work ? 
Justify your answer

Kaif Abdulla · Answer

(a) mechnical force
(b)the car move forward
(c)no negitive work is performed

1. A child is pulling a toy car along a horizontal surface : (a) Name the forces acting on the toy car. (b) Which of these forces performs positive work? (c) Which of these forces performs negative work ? Justify your answer.

1. A child is pulling a toy car along a horizontal surface :

(a) Name the forces acting on the toy car.

(b) Which of these forces performs positive work?

(c) Which of these forces performs negative work ?

Justify your answer.