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A 10 kg object experiences a force of 50 N. What is its acceleration?

50 m/s².

5 m/s².

500 m/s².

0.5 m/s².

Which of the following graphs best illustrates the relationship between the force on a body accelerating constantly (y-axis) and the mass (x-axis)?

Which of the following is an example of Newton's Third Law?

A car speeding up due to an increase in force.

A person jumping forward off a moving bus.

A swimmer pushing off the pool wall.

A falling object accelerating due to gravity.

Which of the following units is used to measure force?

J (Joule).

m/s².

kg.

N (Newton).

In the figure, a shop keeper pulls a bag of rice of mass 50 kg along a rough horizontal floor, against a frictional force of 20N.

He applies a force of 100N on an inextensible string, inclined at an angle of 60° to the horizontal.

The acceleration of the bag is:

0.6 ms⁻².

2 ms⁻².

6 ms⁻².

0.3 ms⁻².