Question
4. A horizontal force of 40 Newtons pushes a block along a level table at a constant speed of 2 meters per second. How much work is done on the block in 6 seconds? (A) 120J B) 240J C) 480J D) 80J
Answer
4.4
(193 Votes)
Zeke
Professional · Tutor for 6 years
Answer
### C)
Explanation
## Step1: Identify the work formula### Work (
) done by a force (
) is
, where
is the distance.## Step2: Find the distance covered### Distance (
) is given by the velocity (
) multiplied by time (
):
.## Step3: Calculate the work done### Using the formula
:
.