Question: In a frictionless environment, if a 5 kg block is pushed with a force of 20 N, what will be its acceleration?
Options:
4 m/s²
2 m/s²
5 m/s²
0 m/s²
Correct Answer: 4 m/s²
Solution:
Using F = ma, we have 20 N = 5 kg * a, thus a = 20 N / 5 kg = 4 m/s².
In a frictionless environment, if a 5 kg block is pushed with a force of 20 N, w
Practice Questions
Q1
In a frictionless environment, if a 5 kg block is pushed with a force of 20 N, what will be its acceleration?
4 m/s²
2 m/s²
5 m/s²
0 m/s²
Questions & Step-by-Step Solutions
In a frictionless environment, if a 5 kg block is pushed with a force of 20 N, what will be its acceleration?
Correct Answer: 4 m/s²
Step 1: Identify the mass of the block, which is 5 kg.
Step 2: Identify the force applied to the block, which is 20 N.
Step 3: Use the formula F = ma, where F is the force, m is the mass, and a is the acceleration.
Step 4: Substitute the known values into the formula: 20 N = 5 kg * a.
Step 5: To find acceleration (a), rearrange the formula to a = F / m.
Step 6: Substitute the values: a = 20 N / 5 kg.
Step 7: Calculate the acceleration: a = 4 m/s².
Newton's Second Law of Motion – This law states that the force acting on an object is equal to the mass of that object multiplied by its acceleration (F = ma).
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