Question

Trial Force (N) Acceleration (m/s^2)
1 10 N 2.5
2 12 3
3 22 5.5
Students are running an experiment in which they are measuring the acceleration after applying forces to a cart. Using the data above, what is the mass of the cart?

(1 point)
Responses

8 kg
8 kg

6 kg
6 kg

2 kg
2 kg

4 kg
4 kg
Question 5
According to Newton's Third Law, if a sledgehammer hits a wall with a force of 1000 N, how much force does the wall hit the sledgehammer?(1 point)
Responses

-1000 N
-1000 N

1000 N
1000 N

500 N
500 N

0 N

Answer 1

Question 4: 4 kg
- F = ma → m = F/a. 10 N / 2.5 m/s² = 4 kg (also 12/3 and 22/5.5 give 4 kg).

Question 5: 1000 N
- Newton’s Third Law: the wall exerts an equal-magnitude force opposite in direction, i.e., 1000 N.