A) Multiple Choice Encircle the letter that corresponds to the best answer. Show your solution.

1. If a car has a mass of 1000kg and moving with an acceleration of 5m/s² how much is the force of the car?
a.200N
c. 500N
b. 5000N
d. 2000N

2. A girl is pushing a cart with a force of 10N; the cart is accelerated with 2m/s². What is the mass of the cart?
a. 20kg
c. 2kg
b. 4kg
d. 5kg

3. A book is lifted from the floor to the top shelf which is 2.5meters from the floor. If the book las a mass of 1.5kg, how much energy is exerted in doing this work?
a. 3.75J
c. 36.75J
b. 5.88J
d. 1.67J

4. A chair with a mass of 5kg is pulled by a boy into a distance of 7m, how much work is exerted by the boy?
a. 343J
c. 36.75J
b. 7J
d. 1.67J

5. A man exerted a force of 20N in pushing a cart, how far is the distance does the man cover if the work done by the man is 10J?
a. 2m
b. 200m
c. 0.5m
d. 20m​