collision

When the cricket bat hits the ball, the ball direction.......... and the ball speed ..............

• changes-changes.

• changes - doesn't change.

• doesn't change - changes.

• doesn't change - doesn't change.

Airbags in the car are folded into all the following places, except...........

• tires

• doors

• dashboard

• steering wheel.

A wrecking ball is made of.............

• wood

• steel

• nylon

• plastic

In cricket game, the bat transfers its.......... energy to the ball.

• chemical

• thermal

• kinetic

• potential

Seatbelts work when the car...........,

• stops gradually.

• suddenly stops.

• increases its speed gradually.

• decreases its speed gradually.